Home / 14,098.90-21,148.35-4,238.95

Finding the Fourth Proportional to 14,098.90, 21,148.35 and 4,238.95

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Solution

The fourth proportional to 14,098.90, 21,148.35 and 4,238.95 is: 6,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.90 : 21,148.35 = 4,238.95 : x
  2. Step 2: Convert to fraction form
    14,098.90/21,148.35 = 4,238.95/x
  3. Step 3: Cross multiply
    14,098.90x = 21,148.35 × 4,238.95
  4. Step 4: Simplify right side
    14,098.90x = 89,646,798.23
  5. Step 5: Solve for x
    x = 89,646,798.23/14,098.90
  6. Step 6: Final answer
    x = 6,358.43

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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.