Home / 15,509.19-23,245.25-5,643.10

Finding the Fourth Proportional to 15,509.19, 23,245.25 and 5,643.10

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Solution

The fourth proportional to 15,509.19, 23,245.25 and 5,643.10 is: 8,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509.19 : 23,245.25 = 5,643.10 : x
  2. Step 2: Convert to fraction form
    15,509.19/23,245.25 = 5,643.10/x
  3. Step 3: Cross multiply
    15,509.19x = 23,245.25 × 5,643.10
  4. Step 4: Simplify right side
    15,509.19x = 131,175,154.05
  5. Step 5: Solve for x
    x = 131,175,154.05/15,509.19
  6. Step 6: Final answer
    x = 8,457.90

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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.