Home / 10,391.08-14,339.76-5,916.28

Finding the Fourth Proportional to 10,391.08, 14,339.76 and 5,916.28

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Solution

The fourth proportional to 10,391.08, 14,339.76 and 5,916.28 is: 8,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.08 : 14,339.76 = 5,916.28 : x
  2. Step 2: Convert to fraction form
    10,391.08/14,339.76 = 5,916.28/x
  3. Step 3: Cross multiply
    10,391.08x = 14,339.76 × 5,916.28
  4. Step 4: Simplify right side
    10,391.08x = 84,838,035.29
  5. Step 5: Solve for x
    x = 84,838,035.29/10,391.08
  6. Step 6: Final answer
    x = 8,164.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.