Home / 10,898.07-15,039.05-6,422.10

Finding the Fourth Proportional to 10,898.07, 15,039.05 and 6,422.10

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Solution

The fourth proportional to 10,898.07, 15,039.05 and 6,422.10 is: 8,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.07 : 15,039.05 = 6,422.10 : x
  2. Step 2: Convert to fraction form
    10,898.07/15,039.05 = 6,422.10/x
  3. Step 3: Cross multiply
    10,898.07x = 15,039.05 × 6,422.10
  4. Step 4: Simplify right side
    10,898.07x = 96,582,250.89
  5. Step 5: Solve for x
    x = 96,582,250.89/10,898.07
  6. Step 6: Final answer
    x = 8,862.33

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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.