Home / 13,470.30-20,191.68-9,088.20

Finding the Fourth Proportional to 13,470.30, 20,191.68 and 9,088.20

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Solution

The fourth proportional to 13,470.30, 20,191.68 and 9,088.20 is: 13,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.30 : 20,191.68 = 9,088.20 : x
  2. Step 2: Convert to fraction form
    13,470.30/20,191.68 = 9,088.20/x
  3. Step 3: Cross multiply
    13,470.30x = 20,191.68 × 9,088.20
  4. Step 4: Simplify right side
    13,470.30x = 183,506,026.18
  5. Step 5: Solve for x
    x = 183,506,026.18/13,470.30
  6. Step 6: Final answer
    x = 13,623.01

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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.