Home / 15,810.45-23,715.68-6,448.47

Finding the Fourth Proportional to 15,810.45, 23,715.68 and 6,448.47

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Solution

The fourth proportional to 15,810.45, 23,715.68 and 6,448.47 is: 9,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.45 : 23,715.68 = 6,448.47 : x
  2. Step 2: Convert to fraction form
    15,810.45/23,715.68 = 6,448.47/x
  3. Step 3: Cross multiply
    15,810.45x = 23,715.68 × 6,448.47
  4. Step 4: Simplify right side
    15,810.45x = 152,929,818.77
  5. Step 5: Solve for x
    x = 152,929,818.77/15,810.45
  6. Step 6: Final answer
    x = 9,672.71

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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.