Home / 15,355.98-23,031.18-4,259.88

Finding the Fourth Proportional to 15,355.98, 23,031.18 and 4,259.88

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Solution

The fourth proportional to 15,355.98, 23,031.18 and 4,259.88 is: 6,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,355.98 : 23,031.18 = 4,259.88 : x
  2. Step 2: Convert to fraction form
    15,355.98/23,031.18 = 4,259.88/x
  3. Step 3: Cross multiply
    15,355.98x = 23,031.18 × 4,259.88
  4. Step 4: Simplify right side
    15,355.98x = 98,110,063.06
  5. Step 5: Solve for x
    x = 98,110,063.06/15,355.98
  6. Step 6: Final answer
    x = 6,389.05

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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.