Home / 15,518.39-23,281.22-4,425.23

Finding the Fourth Proportional to 15,518.39, 23,281.22 and 4,425.23

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Solution

The fourth proportional to 15,518.39, 23,281.22 and 4,425.23 is: 6,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.39 : 23,281.22 = 4,425.23 : x
  2. Step 2: Convert to fraction form
    15,518.39/23,281.22 = 4,425.23/x
  3. Step 3: Cross multiply
    15,518.39x = 23,281.22 × 4,425.23
  4. Step 4: Simplify right side
    15,518.39x = 103,024,822.45
  5. Step 5: Solve for x
    x = 103,024,822.45/15,518.39
  6. Step 6: Final answer
    x = 6,638.89

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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.