Home / 15,290.28-22,990.86-14,072.16

Finding the Fourth Proportional to 15,290.28, 22,990.86 and 14,072.16

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Solution

The fourth proportional to 15,290.28, 22,990.86 and 14,072.16 is: 21,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.28 : 22,990.86 = 14,072.16 : x
  2. Step 2: Convert to fraction form
    15,290.28/22,990.86 = 14,072.16/x
  3. Step 3: Cross multiply
    15,290.28x = 22,990.86 × 14,072.16
  4. Step 4: Simplify right side
    15,290.28x = 323,531,060.46
  5. Step 5: Solve for x
    x = 323,531,060.46/15,290.28
  6. Step 6: Final answer
    x = 21,159.26

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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.