Home / 15,145.50-22,720.32-5,283.30

Finding the Fourth Proportional to 15,145.50, 22,720.32 and 5,283.30

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Solution

The fourth proportional to 15,145.50, 22,720.32 and 5,283.30 is: 7,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.50 : 22,720.32 = 5,283.30 : x
  2. Step 2: Convert to fraction form
    15,145.50/22,720.32 = 5,283.30/x
  3. Step 3: Cross multiply
    15,145.50x = 22,720.32 × 5,283.30
  4. Step 4: Simplify right side
    15,145.50x = 120,038,266.66
  5. Step 5: Solve for x
    x = 120,038,266.66/15,145.50
  6. Step 6: Final answer
    x = 7,925.67

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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.