Home / 10,457.18-15,685.50-2,559.68

Finding the Fourth Proportional to 10,457.18, 15,685.50 and 2,559.68

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Solution

The fourth proportional to 10,457.18, 15,685.50 and 2,559.68 is: 3,839.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.18 : 15,685.50 = 2,559.68 : x
  2. Step 2: Convert to fraction form
    10,457.18/15,685.50 = 2,559.68/x
  3. Step 3: Cross multiply
    10,457.18x = 15,685.50 × 2,559.68
  4. Step 4: Simplify right side
    10,457.18x = 40,149,860.64
  5. Step 5: Solve for x
    x = 40,149,860.64/10,457.18
  6. Step 6: Final answer
    x = 3,839.45

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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.