Home / 15,266.40-22,785.12-14,269.94

Finding the Fourth Proportional to 15,266.40, 22,785.12 and 14,269.94

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Solution

The fourth proportional to 15,266.40, 22,785.12 and 14,269.94 is: 21,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.40 : 22,785.12 = 14,269.94 : x
  2. Step 2: Convert to fraction form
    15,266.40/22,785.12 = 14,269.94/x
  3. Step 3: Cross multiply
    15,266.40x = 22,785.12 × 14,269.94
  4. Step 4: Simplify right side
    15,266.40x = 325,142,295.29
  5. Step 5: Solve for x
    x = 325,142,295.29/15,266.40
  6. Step 6: Final answer
    x = 21,297.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.