Home / 14,320.47-19,761.24-7,947.39

Finding the Fourth Proportional to 14,320.47, 19,761.24 and 7,947.39

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Solution

The fourth proportional to 14,320.47, 19,761.24 and 7,947.39 is: 10,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.47 : 19,761.24 = 7,947.39 : x
  2. Step 2: Convert to fraction form
    14,320.47/19,761.24 = 7,947.39/x
  3. Step 3: Cross multiply
    14,320.47x = 19,761.24 × 7,947.39
  4. Step 4: Simplify right side
    14,320.47x = 157,050,281.16
  5. Step 5: Solve for x
    x = 157,050,281.16/14,320.47
  6. Step 6: Final answer
    x = 10,966.84

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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.