Home / 15,439.01-23,159.87-4,345.80

Finding the Fourth Proportional to 15,439.01, 23,159.87 and 4,345.80

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Solution

The fourth proportional to 15,439.01, 23,159.87 and 4,345.80 is: 6,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.01 : 23,159.87 = 4,345.80 : x
  2. Step 2: Convert to fraction form
    15,439.01/23,159.87 = 4,345.80/x
  3. Step 3: Cross multiply
    15,439.01x = 23,159.87 × 4,345.80
  4. Step 4: Simplify right side
    15,439.01x = 100,648,225.48
  5. Step 5: Solve for x
    x = 100,648,225.48/15,439.01
  6. Step 6: Final answer
    x = 6,519.09

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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.