Home / 19,823.13-27,355.30-10,870.41

Finding the Fourth Proportional to 19,823.13, 27,355.30 and 10,870.41

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Solution

The fourth proportional to 19,823.13, 27,355.30 and 10,870.41 is: 15,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.13 : 27,355.30 = 10,870.41 : x
  2. Step 2: Convert to fraction form
    19,823.13/27,355.30 = 10,870.41/x
  3. Step 3: Cross multiply
    19,823.13x = 27,355.30 × 10,870.41
  4. Step 4: Simplify right side
    19,823.13x = 297,363,326.67
  5. Step 5: Solve for x
    x = 297,363,326.67/19,823.13
  6. Step 6: Final answer
    x = 15,000.83

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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.