Home / 10,035.90-15,047.78-4,488.21

Finding the Fourth Proportional to 10,035.90, 15,047.78 and 4,488.21

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Solution

The fourth proportional to 10,035.90, 15,047.78 and 4,488.21 is: 6,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.90 : 15,047.78 = 4,488.21 : x
  2. Step 2: Convert to fraction form
    10,035.90/15,047.78 = 4,488.21/x
  3. Step 3: Cross multiply
    10,035.90x = 15,047.78 × 4,488.21
  4. Step 4: Simplify right side
    10,035.90x = 67,537,574.23
  5. Step 5: Solve for x
    x = 67,537,574.23/10,035.90
  6. Step 6: Final answer
    x = 6,729.60

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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.