Home / 9,113.60-13,656.02-6,637.02

Finding the Fourth Proportional to 9,113.60, 13,656.02 and 6,637.02

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Solution

The fourth proportional to 9,113.60, 13,656.02 and 6,637.02 is: 9,945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.60 : 13,656.02 = 6,637.02 : x
  2. Step 2: Convert to fraction form
    9,113.60/13,656.02 = 6,637.02/x
  3. Step 3: Cross multiply
    9,113.60x = 13,656.02 × 6,637.02
  4. Step 4: Simplify right side
    9,113.60x = 90,635,244.68
  5. Step 5: Solve for x
    x = 90,635,244.68/9,113.60
  6. Step 6: Final answer
    x = 9,945.06

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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.