Home / 15,678.70-23,519.63-4,585.59

Finding the Fourth Proportional to 15,678.70, 23,519.63 and 4,585.59

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Solution

The fourth proportional to 15,678.70, 23,519.63 and 4,585.59 is: 6,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.70 : 23,519.63 = 4,585.59 : x
  2. Step 2: Convert to fraction form
    15,678.70/23,519.63 = 4,585.59/x
  3. Step 3: Cross multiply
    15,678.70x = 23,519.63 × 4,585.59
  4. Step 4: Simplify right side
    15,678.70x = 107,851,391.60
  5. Step 5: Solve for x
    x = 107,851,391.60/15,678.70
  6. Step 6: Final answer
    x = 6,878.85

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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.