Home / 10,434.48-15,660.90-5,507.66

Finding the Fourth Proportional to 10,434.48, 15,660.90 and 5,507.66

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Solution

The fourth proportional to 10,434.48, 15,660.90 and 5,507.66 is: 8,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.48 : 15,660.90 = 5,507.66 : x
  2. Step 2: Convert to fraction form
    10,434.48/15,660.90 = 5,507.66/x
  3. Step 3: Cross multiply
    10,434.48x = 15,660.90 × 5,507.66
  4. Step 4: Simplify right side
    10,434.48x = 86,254,834.19
  5. Step 5: Solve for x
    x = 86,254,834.19/10,434.48
  6. Step 6: Final answer
    x = 8,266.33

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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.