Home / 10,281.36-15,423.02-2,885.80

Finding the Fourth Proportional to 10,281.36, 15,423.02 and 2,885.80

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Solution

The fourth proportional to 10,281.36, 15,423.02 and 2,885.80 is: 4,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.36 : 15,423.02 = 2,885.80 : x
  2. Step 2: Convert to fraction form
    10,281.36/15,423.02 = 2,885.80/x
  3. Step 3: Cross multiply
    10,281.36x = 15,423.02 × 2,885.80
  4. Step 4: Simplify right side
    10,281.36x = 44,507,751.12
  5. Step 5: Solve for x
    x = 44,507,751.12/10,281.36
  6. Step 6: Final answer
    x = 4,328.98

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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.