Home / 10,055.40-15,075.66-6,105.84

Finding the Fourth Proportional to 10,055.40, 15,075.66 and 6,105.84

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Solution

The fourth proportional to 10,055.40, 15,075.66 and 6,105.84 is: 9,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.40 : 15,075.66 = 6,105.84 : x
  2. Step 2: Convert to fraction form
    10,055.40/15,075.66 = 6,105.84/x
  3. Step 3: Cross multiply
    10,055.40x = 15,075.66 × 6,105.84
  4. Step 4: Simplify right side
    10,055.40x = 92,049,567.85
  5. Step 5: Solve for x
    x = 92,049,567.85/10,055.40
  6. Step 6: Final answer
    x = 9,154.24

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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.