Home / 10,149.16-15,216.36-6,854.08

Finding the Fourth Proportional to 10,149.16, 15,216.36 and 6,854.08

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Solution

The fourth proportional to 10,149.16, 15,216.36 and 6,854.08 is: 10,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.16 : 15,216.36 = 6,854.08 : x
  2. Step 2: Convert to fraction form
    10,149.16/15,216.36 = 6,854.08/x
  3. Step 3: Cross multiply
    10,149.16x = 15,216.36 × 6,854.08
  4. Step 4: Simplify right side
    10,149.16x = 104,294,148.75
  5. Step 5: Solve for x
    x = 104,294,148.75/10,149.16
  6. Step 6: Final answer
    x = 10,276.14

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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.