Home / 10,010.07-15,016.13-3,435.40

Finding the Fourth Proportional to 10,010.07, 15,016.13 and 3,435.40

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Solution

The fourth proportional to 10,010.07, 15,016.13 and 3,435.40 is: 5,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.07 : 15,016.13 = 3,435.40 : x
  2. Step 2: Convert to fraction form
    10,010.07/15,016.13 = 3,435.40/x
  3. Step 3: Cross multiply
    10,010.07x = 15,016.13 × 3,435.40
  4. Step 4: Simplify right side
    10,010.07x = 51,586,427.48
  5. Step 5: Solve for x
    x = 51,586,427.48/10,010.07
  6. Step 6: Final answer
    x = 5,153.45

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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.