Home / 9,966.72-13,753.44-5,988

Finding the Fourth Proportional to 9,966.72, 13,753.44 and 5,988

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Solution

The fourth proportional to 9,966.72, 13,753.44 and 5,988 is: 8,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.72 : 13,753.44 = 5,988 : x
  2. Step 2: Convert to fraction form
    9,966.72/13,753.44 = 5,988/x
  3. Step 3: Cross multiply
    9,966.72x = 13,753.44 × 5,988
  4. Step 4: Simplify right side
    9,966.72x = 82,355,598.72
  5. Step 5: Solve for x
    x = 82,355,598.72/9,966.72
  6. Step 6: Final answer
    x = 8,263.06

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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.