Home / 13,470.52-18,589.90-7,502.19

Finding the Fourth Proportional to 13,470.52, 18,589.90 and 7,502.19

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Solution

The fourth proportional to 13,470.52, 18,589.90 and 7,502.19 is: 10,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.52 : 18,589.90 = 7,502.19 : x
  2. Step 2: Convert to fraction form
    13,470.52/18,589.90 = 7,502.19/x
  3. Step 3: Cross multiply
    13,470.52x = 18,589.90 × 7,502.19
  4. Step 4: Simplify right side
    13,470.52x = 139,464,956.50
  5. Step 5: Solve for x
    x = 139,464,956.50/13,470.52
  6. Step 6: Final answer
    x = 10,353.35

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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.