Home / 18,140.86-27,206.13-7,045.18

Finding the Fourth Proportional to 18,140.86, 27,206.13 and 7,045.18

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Solution

The fourth proportional to 18,140.86, 27,206.13 and 7,045.18 is: 10,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.86 : 27,206.13 = 7,045.18 : x
  2. Step 2: Convert to fraction form
    18,140.86/27,206.13 = 7,045.18/x
  3. Step 3: Cross multiply
    18,140.86x = 27,206.13 × 7,045.18
  4. Step 4: Simplify right side
    18,140.86x = 191,671,946.92
  5. Step 5: Solve for x
    x = 191,671,946.92/18,140.86
  6. Step 6: Final answer
    x = 10,565.76

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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.