Home / 13,437.90-18,541.71-9,184.19

Finding the Fourth Proportional to 13,437.90, 18,541.71 and 9,184.19

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Solution

The fourth proportional to 13,437.90, 18,541.71 and 9,184.19 is: 12,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.90 : 18,541.71 = 9,184.19 : x
  2. Step 2: Convert to fraction form
    13,437.90/18,541.71 = 9,184.19/x
  3. Step 3: Cross multiply
    13,437.90x = 18,541.71 × 9,184.19
  4. Step 4: Simplify right side
    13,437.90x = 170,290,494.86
  5. Step 5: Solve for x
    x = 170,290,494.86/13,437.90
  6. Step 6: Final answer
    x = 12,672.40

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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.