Home / 10,442.07-15,665.40-3,047.10

Finding the Fourth Proportional to 10,442.07, 15,665.40 and 3,047.10

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Solution

The fourth proportional to 10,442.07, 15,665.40 and 3,047.10 is: 4,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.07 : 15,665.40 = 3,047.10 : x
  2. Step 2: Convert to fraction form
    10,442.07/15,665.40 = 3,047.10/x
  3. Step 3: Cross multiply
    10,442.07x = 15,665.40 × 3,047.10
  4. Step 4: Simplify right side
    10,442.07x = 47,734,040.34
  5. Step 5: Solve for x
    x = 47,734,040.34/10,442.07
  6. Step 6: Final answer
    x = 4,571.32

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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.