Home / 9,009.12-12,432-5,030.04

Finding the Fourth Proportional to 9,009.12, 12,432 and 5,030.04

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Solution

The fourth proportional to 9,009.12, 12,432 and 5,030.04 is: 6,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.12 : 12,432 = 5,030.04 : x
  2. Step 2: Convert to fraction form
    9,009.12/12,432 = 5,030.04/x
  3. Step 3: Cross multiply
    9,009.12x = 12,432 × 5,030.04
  4. Step 4: Simplify right side
    9,009.12x = 62,533,457.28
  5. Step 5: Solve for x
    x = 62,533,457.28/9,009.12
  6. Step 6: Final answer
    x = 6,941.13

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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.