Home / 9,997.10-14,987.55-4,158.08

Finding the Fourth Proportional to 9,997.10, 14,987.55 and 4,158.08

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Solution

The fourth proportional to 9,997.10, 14,987.55 and 4,158.08 is: 6,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.10 : 14,987.55 = 4,158.08 : x
  2. Step 2: Convert to fraction form
    9,997.10/14,987.55 = 4,158.08/x
  3. Step 3: Cross multiply
    9,997.10x = 14,987.55 × 4,158.08
  4. Step 4: Simplify right side
    9,997.10x = 62,319,479.77
  5. Step 5: Solve for x
    x = 62,319,479.77/9,997.10
  6. Step 6: Final answer
    x = 6,233.75

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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.