Home / 15,621.04-23,427.24-7,827.76

Finding the Fourth Proportional to 15,621.04, 23,427.24 and 7,827.76

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Solution

The fourth proportional to 15,621.04, 23,427.24 and 7,827.76 is: 11,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.04 : 23,427.24 = 7,827.76 : x
  2. Step 2: Convert to fraction form
    15,621.04/23,427.24 = 7,827.76/x
  3. Step 3: Cross multiply
    15,621.04x = 23,427.24 × 7,827.76
  4. Step 4: Simplify right side
    15,621.04x = 183,382,812.18
  5. Step 5: Solve for x
    x = 183,382,812.18/15,621.04
  6. Step 6: Final answer
    x = 11,739.48

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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.