Home / 15,093.10-22,639.61-12,851.07

Finding the Fourth Proportional to 15,093.10, 22,639.61 and 12,851.07

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Solution

The fourth proportional to 15,093.10, 22,639.61 and 12,851.07 is: 19,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,093.10 : 22,639.61 = 12,851.07 : x
  2. Step 2: Convert to fraction form
    15,093.10/22,639.61 = 12,851.07/x
  3. Step 3: Cross multiply
    15,093.10x = 22,639.61 × 12,851.07
  4. Step 4: Simplify right side
    15,093.10x = 290,943,160.11
  5. Step 5: Solve for x
    x = 290,943,160.11/15,093.10
  6. Step 6: Final answer
    x = 19,276.57

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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.