Home / 15,705.42-23,561.02-5,176.07

Finding the Fourth Proportional to 15,705.42, 23,561.02 and 5,176.07

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Solution

The fourth proportional to 15,705.42, 23,561.02 and 5,176.07 is: 7,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,705.42 : 23,561.02 = 5,176.07 : x
  2. Step 2: Convert to fraction form
    15,705.42/23,561.02 = 5,176.07/x
  3. Step 3: Cross multiply
    15,705.42x = 23,561.02 × 5,176.07
  4. Step 4: Simplify right side
    15,705.42x = 121,953,377.46
  5. Step 5: Solve for x
    x = 121,953,377.46/15,705.42
  6. Step 6: Final answer
    x = 7,765.05

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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.