Home / 19,298.10-28,898.55-14,340.90

Finding the Fourth Proportional to 19,298.10, 28,898.55 and 14,340.90

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Solution

The fourth proportional to 19,298.10, 28,898.55 and 14,340.90 is: 21,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.10 : 28,898.55 = 14,340.90 : x
  2. Step 2: Convert to fraction form
    19,298.10/28,898.55 = 14,340.90/x
  3. Step 3: Cross multiply
    19,298.10x = 28,898.55 × 14,340.90
  4. Step 4: Simplify right side
    19,298.10x = 414,431,215.70
  5. Step 5: Solve for x
    x = 414,431,215.70/19,298.10
  6. Step 6: Final answer
    x = 21,475.23

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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.