Home / 15,875.39-23,824.02-7,120.10

Finding the Fourth Proportional to 15,875.39, 23,824.02 and 7,120.10

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Solution

The fourth proportional to 15,875.39, 23,824.02 and 7,120.10 is: 10,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.39 : 23,824.02 = 7,120.10 : x
  2. Step 2: Convert to fraction form
    15,875.39/23,824.02 = 7,120.10/x
  3. Step 3: Cross multiply
    15,875.39x = 23,824.02 × 7,120.10
  4. Step 4: Simplify right side
    15,875.39x = 169,629,285.68
  5. Step 5: Solve for x
    x = 169,629,285.68/15,875.39
  6. Step 6: Final answer
    x = 10,685.05

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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.