Home / 9,002.20-12,421.56-5,023.20

Finding the Fourth Proportional to 9,002.20, 12,421.56 and 5,023.20

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Solution

The fourth proportional to 9,002.20, 12,421.56 and 5,023.20 is: 6,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002.20 : 12,421.56 = 5,023.20 : x
  2. Step 2: Convert to fraction form
    9,002.20/12,421.56 = 5,023.20/x
  3. Step 3: Cross multiply
    9,002.20x = 12,421.56 × 5,023.20
  4. Step 4: Simplify right side
    9,002.20x = 62,395,980.19
  5. Step 5: Solve for x
    x = 62,395,980.19/9,002.20
  6. Step 6: Final answer
    x = 6,931.19

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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.