Home / 15,679.84-23,518.32-5,291.68

Finding the Fourth Proportional to 15,679.84, 23,518.32 and 5,291.68

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Solution

The fourth proportional to 15,679.84, 23,518.32 and 5,291.68 is: 7,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.84 : 23,518.32 = 5,291.68 : x
  2. Step 2: Convert to fraction form
    15,679.84/23,518.32 = 5,291.68/x
  3. Step 3: Cross multiply
    15,679.84x = 23,518.32 × 5,291.68
  4. Step 4: Simplify right side
    15,679.84x = 124,451,423.58
  5. Step 5: Solve for x
    x = 124,451,423.58/15,679.84
  6. Step 6: Final answer
    x = 7,937.03

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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.