Home / 9,298.12-12,816.66-9,113.80

Finding the Fourth Proportional to 9,298.12, 12,816.66 and 9,113.80

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Solution

The fourth proportional to 9,298.12, 12,816.66 and 9,113.80 is: 12,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,298.12 : 12,816.66 = 9,113.80 : x
  2. Step 2: Convert to fraction form
    9,298.12/12,816.66 = 9,113.80/x
  3. Step 3: Cross multiply
    9,298.12x = 12,816.66 × 9,113.80
  4. Step 4: Simplify right side
    9,298.12x = 116,808,475.91
  5. Step 5: Solve for x
    x = 116,808,475.91/9,298.12
  6. Step 6: Final answer
    x = 12,562.59

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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.