Home / 10,195.47-14,068.49-5,718.60

Finding the Fourth Proportional to 10,195.47, 14,068.49 and 5,718.60

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Solution

The fourth proportional to 10,195.47, 14,068.49 and 5,718.60 is: 7,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.47 : 14,068.49 = 5,718.60 : x
  2. Step 2: Convert to fraction form
    10,195.47/14,068.49 = 5,718.60/x
  3. Step 3: Cross multiply
    10,195.47x = 14,068.49 × 5,718.60
  4. Step 4: Simplify right side
    10,195.47x = 80,452,038.32
  5. Step 5: Solve for x
    x = 80,452,038.32/10,195.47
  6. Step 6: Final answer
    x = 7,890.96

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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.