Home / 14,436.16-21,600.30-10,285.72

Finding the Fourth Proportional to 14,436.16, 21,600.30 and 10,285.72

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Solution

The fourth proportional to 14,436.16, 21,600.30 and 10,285.72 is: 15,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.16 : 21,600.30 = 10,285.72 : x
  2. Step 2: Convert to fraction form
    14,436.16/21,600.30 = 10,285.72/x
  3. Step 3: Cross multiply
    14,436.16x = 21,600.30 × 10,285.72
  4. Step 4: Simplify right side
    14,436.16x = 222,174,637.72
  5. Step 5: Solve for x
    x = 222,174,637.72/14,436.16
  6. Step 6: Final answer
    x = 15,390.15

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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.