Home / 8,971.34-12,397.52-6,729.32

Finding the Fourth Proportional to 8,971.34, 12,397.52 and 6,729.32

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Solution

The fourth proportional to 8,971.34, 12,397.52 and 6,729.32 is: 9,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.34 : 12,397.52 = 6,729.32 : x
  2. Step 2: Convert to fraction form
    8,971.34/12,397.52 = 6,729.32/x
  3. Step 3: Cross multiply
    8,971.34x = 12,397.52 × 6,729.32
  4. Step 4: Simplify right side
    8,971.34x = 83,426,927.10
  5. Step 5: Solve for x
    x = 83,426,927.10/8,971.34
  6. Step 6: Final answer
    x = 9,299.28

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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.