Home / 15,278.15-22,913.51-6,388.67

Finding the Fourth Proportional to 15,278.15, 22,913.51 and 6,388.67

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Solution

The fourth proportional to 15,278.15, 22,913.51 and 6,388.67 is: 9,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.15 : 22,913.51 = 6,388.67 : x
  2. Step 2: Convert to fraction form
    15,278.15/22,913.51 = 6,388.67/x
  3. Step 3: Cross multiply
    15,278.15x = 22,913.51 × 6,388.67
  4. Step 4: Simplify right side
    15,278.15x = 146,386,707.42
  5. Step 5: Solve for x
    x = 146,386,707.42/15,278.15
  6. Step 6: Final answer
    x = 9,581.45

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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.