Home / 14,270.48-21,323.13-10,302.90

Finding the Fourth Proportional to 14,270.48, 21,323.13 and 10,302.90

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Solution

The fourth proportional to 14,270.48, 21,323.13 and 10,302.90 is: 15,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.48 : 21,323.13 = 10,302.90 : x
  2. Step 2: Convert to fraction form
    14,270.48/21,323.13 = 10,302.90/x
  3. Step 3: Cross multiply
    14,270.48x = 21,323.13 × 10,302.90
  4. Step 4: Simplify right side
    14,270.48x = 219,690,076.08
  5. Step 5: Solve for x
    x = 219,690,076.08/14,270.48
  6. Step 6: Final answer
    x = 15,394.72

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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.