Home / 15,154.12-22,759.44-12,386.67

Finding the Fourth Proportional to 15,154.12, 22,759.44 and 12,386.67

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Solution

The fourth proportional to 15,154.12, 22,759.44 and 12,386.67 is: 18,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,154.12 : 22,759.44 = 12,386.67 : x
  2. Step 2: Convert to fraction form
    15,154.12/22,759.44 = 12,386.67/x
  3. Step 3: Cross multiply
    15,154.12x = 22,759.44 × 12,386.67
  4. Step 4: Simplify right side
    15,154.12x = 281,913,672.66
  5. Step 5: Solve for x
    x = 281,913,672.66/15,154.12
  6. Step 6: Final answer
    x = 18,603.10

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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.