Home / 14,710.40-22,051.20-13,155.20

Finding the Fourth Proportional to 14,710.40, 22,051.20 and 13,155.20

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Solution

The fourth proportional to 14,710.40, 22,051.20 and 13,155.20 is: 19,719.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.40 : 22,051.20 = 13,155.20 : x
  2. Step 2: Convert to fraction form
    14,710.40/22,051.20 = 13,155.20/x
  3. Step 3: Cross multiply
    14,710.40x = 22,051.20 × 13,155.20
  4. Step 4: Simplify right side
    14,710.40x = 290,087,946.24
  5. Step 5: Solve for x
    x = 290,087,946.24/14,710.40
  6. Step 6: Final answer
    x = 19,719.92

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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.