Home / 9,372.32-12,916-6,715.08

Finding the Fourth Proportional to 9,372.32, 12,916 and 6,715.08

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Solution

The fourth proportional to 9,372.32, 12,916 and 6,715.08 is: 9,254.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.32 : 12,916 = 6,715.08 : x
  2. Step 2: Convert to fraction form
    9,372.32/12,916 = 6,715.08/x
  3. Step 3: Cross multiply
    9,372.32x = 12,916 × 6,715.08
  4. Step 4: Simplify right side
    9,372.32x = 86,731,973.28
  5. Step 5: Solve for x
    x = 86,731,973.28/9,372.32
  6. Step 6: Final answer
    x = 9,254.06

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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.