Home / 11,242.90-16,864.35-11,070.10

Finding the Fourth Proportional to 11,242.90, 16,864.35 and 11,070.10

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Solution

The fourth proportional to 11,242.90, 16,864.35 and 11,070.10 is: 16,605.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.90 : 16,864.35 = 11,070.10 : x
  2. Step 2: Convert to fraction form
    11,242.90/16,864.35 = 11,070.10/x
  3. Step 3: Cross multiply
    11,242.90x = 16,864.35 × 11,070.10
  4. Step 4: Simplify right side
    11,242.90x = 186,690,040.94
  5. Step 5: Solve for x
    x = 186,690,040.94/11,242.90
  6. Step 6: Final answer
    x = 16,605.15

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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.