Home / 10,643.08-15,948.15-7,312.92

Finding the Fourth Proportional to 10,643.08, 15,948.15 and 7,312.92

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Solution

The fourth proportional to 10,643.08, 15,948.15 and 7,312.92 is: 10,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.08 : 15,948.15 = 7,312.92 : x
  2. Step 2: Convert to fraction form
    10,643.08/15,948.15 = 7,312.92/x
  3. Step 3: Cross multiply
    10,643.08x = 15,948.15 × 7,312.92
  4. Step 4: Simplify right side
    10,643.08x = 116,627,545.10
  5. Step 5: Solve for x
    x = 116,627,545.10/10,643.08
  6. Step 6: Final answer
    x = 10,958.06

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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.