Home / 11,484.32-15,858.45-7,242.95

Finding the Fourth Proportional to 11,484.32, 15,858.45 and 7,242.95

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Solution

The fourth proportional to 11,484.32, 15,858.45 and 7,242.95 is: 10,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.32 : 15,858.45 = 7,242.95 : x
  2. Step 2: Convert to fraction form
    11,484.32/15,858.45 = 7,242.95/x
  3. Step 3: Cross multiply
    11,484.32x = 15,858.45 × 7,242.95
  4. Step 4: Simplify right side
    11,484.32x = 114,862,000.07
  5. Step 5: Solve for x
    x = 114,862,000.07/11,484.32
  6. Step 6: Final answer
    x = 10,001.64

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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.