Home / 15,555.90-23,329.55-4,308.55

Finding the Fourth Proportional to 15,555.90, 23,329.55 and 4,308.55

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Solution

The fourth proportional to 15,555.90, 23,329.55 and 4,308.55 is: 6,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.90 : 23,329.55 = 4,308.55 : x
  2. Step 2: Convert to fraction form
    15,555.90/23,329.55 = 4,308.55/x
  3. Step 3: Cross multiply
    15,555.90x = 23,329.55 × 4,308.55
  4. Step 4: Simplify right side
    15,555.90x = 100,516,532.65
  5. Step 5: Solve for x
    x = 100,516,532.65/15,555.90
  6. Step 6: Final answer
    x = 6,461.63

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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.