Home / 18,937.49-26,133.87-10,869.02

Finding the Fourth Proportional to 18,937.49, 26,133.87 and 10,869.02

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Solution

The fourth proportional to 18,937.49, 26,133.87 and 10,869.02 is: 14,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.49 : 26,133.87 = 10,869.02 : x
  2. Step 2: Convert to fraction form
    18,937.49/26,133.87 = 10,869.02/x
  3. Step 3: Cross multiply
    18,937.49x = 26,133.87 × 10,869.02
  4. Step 4: Simplify right side
    18,937.49x = 284,049,555.71
  5. Step 5: Solve for x
    x = 284,049,555.71/18,937.49
  6. Step 6: Final answer
    x = 14,999.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.