Home / 15,381.95-22,988.63-11,230.70

Finding the Fourth Proportional to 15,381.95, 22,988.63 and 11,230.70

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Solution

The fourth proportional to 15,381.95, 22,988.63 and 11,230.70 is: 16,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.95 : 22,988.63 = 11,230.70 : x
  2. Step 2: Convert to fraction form
    15,381.95/22,988.63 = 11,230.70/x
  3. Step 3: Cross multiply
    15,381.95x = 22,988.63 × 11,230.70
  4. Step 4: Simplify right side
    15,381.95x = 258,178,350.79
  5. Step 5: Solve for x
    x = 258,178,350.79/15,381.95
  6. Step 6: Final answer
    x = 16,784.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.