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Finding the Fourth Proportional to 15,393.71, 23,065.25 and 6,501.74

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Solution

The fourth proportional to 15,393.71, 23,065.25 and 6,501.74 is: 9,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,393.71 : 23,065.25 = 6,501.74 : x
  2. Step 2: Convert to fraction form
    15,393.71/23,065.25 = 6,501.74/x
  3. Step 3: Cross multiply
    15,393.71x = 23,065.25 × 6,501.74
  4. Step 4: Simplify right side
    15,393.71x = 149,964,110.70
  5. Step 5: Solve for x
    x = 149,964,110.70/15,393.71
  6. Step 6: Final answer
    x = 9,741.91

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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.