Home / 14,790.40-20,395.21-9,748.16

Finding the Fourth Proportional to 14,790.40, 20,395.21 and 9,748.16

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Solution

The fourth proportional to 14,790.40, 20,395.21 and 9,748.16 is: 13,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.40 : 20,395.21 = 9,748.16 : x
  2. Step 2: Convert to fraction form
    14,790.40/20,395.21 = 9,748.16/x
  3. Step 3: Cross multiply
    14,790.40x = 20,395.21 × 9,748.16
  4. Step 4: Simplify right side
    14,790.40x = 198,815,726.28
  5. Step 5: Solve for x
    x = 198,815,726.28/14,790.40
  6. Step 6: Final answer
    x = 13,442.22

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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.