Home / 15,659.89-23,493.67-5,130.47

Finding the Fourth Proportional to 15,659.89, 23,493.67 and 5,130.47

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Solution

The fourth proportional to 15,659.89, 23,493.67 and 5,130.47 is: 7,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.89 : 23,493.67 = 5,130.47 : x
  2. Step 2: Convert to fraction form
    15,659.89/23,493.67 = 5,130.47/x
  3. Step 3: Cross multiply
    15,659.89x = 23,493.67 × 5,130.47
  4. Step 4: Simplify right side
    15,659.89x = 120,533,543.47
  5. Step 5: Solve for x
    x = 120,533,543.47/15,659.89
  6. Step 6: Final answer
    x = 7,696.96

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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.