Home / 10,070.16-15,109.40-8,011.92

Finding the Fourth Proportional to 10,070.16, 15,109.40 and 8,011.92

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Solution

The fourth proportional to 10,070.16, 15,109.40 and 8,011.92 is: 12,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.16 : 15,109.40 = 8,011.92 : x
  2. Step 2: Convert to fraction form
    10,070.16/15,109.40 = 8,011.92/x
  3. Step 3: Cross multiply
    10,070.16x = 15,109.40 × 8,011.92
  4. Step 4: Simplify right side
    10,070.16x = 121,055,304.05
  5. Step 5: Solve for x
    x = 121,055,304.05/10,070.16
  6. Step 6: Final answer
    x = 12,021.19

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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.