Home / 9,026.20-12,465.66-6,909.40

Finding the Fourth Proportional to 9,026.20, 12,465.66 and 6,909.40

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Solution

The fourth proportional to 9,026.20, 12,465.66 and 6,909.40 is: 9,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,026.20 : 12,465.66 = 6,909.40 : x
  2. Step 2: Convert to fraction form
    9,026.20/12,465.66 = 6,909.40/x
  3. Step 3: Cross multiply
    9,026.20x = 12,465.66 × 6,909.40
  4. Step 4: Simplify right side
    9,026.20x = 86,130,231.20
  5. Step 5: Solve for x
    x = 86,130,231.20/9,026.20
  6. Step 6: Final answer
    x = 9,542.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.