Home / 10,456.40-15,679.56-6,075.11

Finding the Fourth Proportional to 10,456.40, 15,679.56 and 6,075.11

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Solution

The fourth proportional to 10,456.40, 15,679.56 and 6,075.11 is: 9,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456.40 : 15,679.56 = 6,075.11 : x
  2. Step 2: Convert to fraction form
    10,456.40/15,679.56 = 6,075.11/x
  3. Step 3: Cross multiply
    10,456.40x = 15,679.56 × 6,075.11
  4. Step 4: Simplify right side
    10,456.40x = 95,255,051.75
  5. Step 5: Solve for x
    x = 95,255,051.75/10,456.40
  6. Step 6: Final answer
    x = 9,109.74

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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.