Home / 15,278.16-22,916.82-4,889.76

Finding the Fourth Proportional to 15,278.16, 22,916.82 and 4,889.76

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Solution

The fourth proportional to 15,278.16, 22,916.82 and 4,889.76 is: 7,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.16 : 22,916.82 = 4,889.76 : x
  2. Step 2: Convert to fraction form
    15,278.16/22,916.82 = 4,889.76/x
  3. Step 3: Cross multiply
    15,278.16x = 22,916.82 × 4,889.76
  4. Step 4: Simplify right side
    15,278.16x = 112,057,749.76
  5. Step 5: Solve for x
    x = 112,057,749.76/15,278.16
  6. Step 6: Final answer
    x = 7,334.51

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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.