Home / 15,334.70-23,002.05-12,856.10

Finding the Fourth Proportional to 15,334.70, 23,002.05 and 12,856.10

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Solution

The fourth proportional to 15,334.70, 23,002.05 and 12,856.10 is: 19,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,334.70 : 23,002.05 = 12,856.10 : x
  2. Step 2: Convert to fraction form
    15,334.70/23,002.05 = 12,856.10/x
  3. Step 3: Cross multiply
    15,334.70x = 23,002.05 × 12,856.10
  4. Step 4: Simplify right side
    15,334.70x = 295,716,655.01
  5. Step 5: Solve for x
    x = 295,716,655.01/15,334.70
  6. Step 6: Final answer
    x = 19,284.15

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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.