Home / 10,088.80-15,133.20-6,195.40

Finding the Fourth Proportional to 10,088.80, 15,133.20 and 6,195.40

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Solution

The fourth proportional to 10,088.80, 15,133.20 and 6,195.40 is: 9,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.80 : 15,133.20 = 6,195.40 : x
  2. Step 2: Convert to fraction form
    10,088.80/15,133.20 = 6,195.40/x
  3. Step 3: Cross multiply
    10,088.80x = 15,133.20 × 6,195.40
  4. Step 4: Simplify right side
    10,088.80x = 93,756,227.28
  5. Step 5: Solve for x
    x = 93,756,227.28/10,088.80
  6. Step 6: Final answer
    x = 9,293.10

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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.