Home / 14,358.95-21,538.36-4,998.90

Finding the Fourth Proportional to 14,358.95, 21,538.36 and 4,998.90

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Solution

The fourth proportional to 14,358.95, 21,538.36 and 4,998.90 is: 7,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.95 : 21,538.36 = 4,998.90 : x
  2. Step 2: Convert to fraction form
    14,358.95/21,538.36 = 4,998.90/x
  3. Step 3: Cross multiply
    14,358.95x = 21,538.36 × 4,998.90
  4. Step 4: Simplify right side
    14,358.95x = 107,668,045.55
  5. Step 5: Solve for x
    x = 107,668,045.55/14,358.95
  6. Step 6: Final answer
    x = 7,498.32

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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.