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Finding the Fourth Proportional to 15,263.70, 22,895.55 and 14,615.70

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Solution

The fourth proportional to 15,263.70, 22,895.55 and 14,615.70 is: 21,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263.70 : 22,895.55 = 14,615.70 : x
  2. Step 2: Convert to fraction form
    15,263.70/22,895.55 = 14,615.70/x
  3. Step 3: Cross multiply
    15,263.70x = 22,895.55 × 14,615.70
  4. Step 4: Simplify right side
    15,263.70x = 334,634,490.14
  5. Step 5: Solve for x
    x = 334,634,490.14/15,263.70
  6. Step 6: Final answer
    x = 21,923.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.