Home / 10,910.42-15,062.07-8,482.40

Finding the Fourth Proportional to 10,910.42, 15,062.07 and 8,482.40

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Solution

The fourth proportional to 10,910.42, 15,062.07 and 8,482.40 is: 11,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.42 : 15,062.07 = 8,482.40 : x
  2. Step 2: Convert to fraction form
    10,910.42/15,062.07 = 8,482.40/x
  3. Step 3: Cross multiply
    10,910.42x = 15,062.07 × 8,482.40
  4. Step 4: Simplify right side
    10,910.42x = 127,762,427.26
  5. Step 5: Solve for x
    x = 127,762,427.26/10,910.42
  6. Step 6: Final answer
    x = 11,710.13

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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.