Home / 10,283.56-15,335.04-10,190.01

Finding the Fourth Proportional to 10,283.56, 15,335.04 and 10,190.01

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Solution

The fourth proportional to 10,283.56, 15,335.04 and 10,190.01 is: 15,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,283.56 : 15,335.04 = 10,190.01 : x
  2. Step 2: Convert to fraction form
    10,283.56/15,335.04 = 10,190.01/x
  3. Step 3: Cross multiply
    10,283.56x = 15,335.04 × 10,190.01
  4. Step 4: Simplify right side
    10,283.56x = 156,264,210.95
  5. Step 5: Solve for x
    x = 156,264,210.95/10,283.56
  6. Step 6: Final answer
    x = 15,195.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.