Home / 10,437.32-15,641.40-7,675.22

Finding the Fourth Proportional to 10,437.32, 15,641.40 and 7,675.22

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Solution

The fourth proportional to 10,437.32, 15,641.40 and 7,675.22 is: 11,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.32 : 15,641.40 = 7,675.22 : x
  2. Step 2: Convert to fraction form
    10,437.32/15,641.40 = 7,675.22/x
  3. Step 3: Cross multiply
    10,437.32x = 15,641.40 × 7,675.22
  4. Step 4: Simplify right side
    10,437.32x = 120,051,186.11
  5. Step 5: Solve for x
    x = 120,051,186.11/10,437.32
  6. Step 6: Final answer
    x = 11,502.11

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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.