Home / 11,925.72-17,901.54-10,085.40

Finding the Fourth Proportional to 11,925.72, 17,901.54 and 10,085.40

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Solution

The fourth proportional to 11,925.72, 17,901.54 and 10,085.40 is: 15,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.72 : 17,901.54 = 10,085.40 : x
  2. Step 2: Convert to fraction form
    11,925.72/17,901.54 = 10,085.40/x
  3. Step 3: Cross multiply
    11,925.72x = 17,901.54 × 10,085.40
  4. Step 4: Simplify right side
    11,925.72x = 180,544,191.52
  5. Step 5: Solve for x
    x = 180,544,191.52/11,925.72
  6. Step 6: Final answer
    x = 15,139.06

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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.