Home / 18,875.18-26,047.92-10,377.36

Finding the Fourth Proportional to 18,875.18, 26,047.92 and 10,377.36

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Solution

The fourth proportional to 18,875.18, 26,047.92 and 10,377.36 is: 14,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.18 : 26,047.92 = 10,377.36 : x
  2. Step 2: Convert to fraction form
    18,875.18/26,047.92 = 10,377.36/x
  3. Step 3: Cross multiply
    18,875.18x = 26,047.92 × 10,377.36
  4. Step 4: Simplify right side
    18,875.18x = 270,308,552.03
  5. Step 5: Solve for x
    x = 270,308,552.03/18,875.18
  6. Step 6: Final answer
    x = 14,320.85

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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.