Home / 13,732.04-20,547.02-8,188.40

Finding the Fourth Proportional to 13,732.04, 20,547.02 and 8,188.40

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Solution

The fourth proportional to 13,732.04, 20,547.02 and 8,188.40 is: 12,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.04 : 20,547.02 = 8,188.40 : x
  2. Step 2: Convert to fraction form
    13,732.04/20,547.02 = 8,188.40/x
  3. Step 3: Cross multiply
    13,732.04x = 20,547.02 × 8,188.40
  4. Step 4: Simplify right side
    13,732.04x = 168,247,218.57
  5. Step 5: Solve for x
    x = 168,247,218.57/13,732.04
  6. Step 6: Final answer
    x = 12,252.16

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1.5x scale

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.