Home / 18,935.16-26,130.70-10,437.45

Finding the Fourth Proportional to 18,935.16, 26,130.70 and 10,437.45

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Solution

The fourth proportional to 18,935.16, 26,130.70 and 10,437.45 is: 14,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.16 : 26,130.70 = 10,437.45 : x
  2. Step 2: Convert to fraction form
    18,935.16/26,130.70 = 10,437.45/x
  3. Step 3: Cross multiply
    18,935.16x = 26,130.70 × 10,437.45
  4. Step 4: Simplify right side
    18,935.16x = 272,737,874.72
  5. Step 5: Solve for x
    x = 272,737,874.72/18,935.16
  6. Step 6: Final answer
    x = 14,403.78

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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.