Home / 9,947.18-14,920.76-4,678.91

Finding the Fourth Proportional to 9,947.18, 14,920.76 and 4,678.91

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Solution

The fourth proportional to 9,947.18, 14,920.76 and 4,678.91 is: 7,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.18 : 14,920.76 = 4,678.91 : x
  2. Step 2: Convert to fraction form
    9,947.18/14,920.76 = 4,678.91/x
  3. Step 3: Cross multiply
    9,947.18x = 14,920.76 × 4,678.91
  4. Step 4: Simplify right side
    9,947.18x = 69,812,893.17
  5. Step 5: Solve for x
    x = 69,812,893.17/9,947.18
  6. Step 6: Final answer
    x = 7,018.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.