Home / 10,557.92-15,830.48-7,267.40

Finding the Fourth Proportional to 10,557.92, 15,830.48 and 7,267.40

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Solution

The fourth proportional to 10,557.92, 15,830.48 and 7,267.40 is: 10,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.92 : 15,830.48 = 7,267.40 : x
  2. Step 2: Convert to fraction form
    10,557.92/15,830.48 = 7,267.40/x
  3. Step 3: Cross multiply
    10,557.92x = 15,830.48 × 7,267.40
  4. Step 4: Simplify right side
    10,557.92x = 115,046,430.35
  5. Step 5: Solve for x
    x = 115,046,430.35/10,557.92
  6. Step 6: Final answer
    x = 10,896.69

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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.