Home / 18,988.74-26,204.22-10,490.85

Finding the Fourth Proportional to 18,988.74, 26,204.22 and 10,490.85

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Solution

The fourth proportional to 18,988.74, 26,204.22 and 10,490.85 is: 14,477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988.74 : 26,204.22 = 10,490.85 : x
  2. Step 2: Convert to fraction form
    18,988.74/26,204.22 = 10,490.85/x
  3. Step 3: Cross multiply
    18,988.74x = 26,204.22 × 10,490.85
  4. Step 4: Simplify right side
    18,988.74x = 274,904,541.39
  5. Step 5: Solve for x
    x = 274,904,541.39/18,988.74
  6. Step 6: Final answer
    x = 14,477.24

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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.