Home / 15,430.68-23,127.46-7,099.21

Finding the Fourth Proportional to 15,430.68, 23,127.46 and 7,099.21

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Solution

The fourth proportional to 15,430.68, 23,127.46 and 7,099.21 is: 10,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.68 : 23,127.46 = 7,099.21 : x
  2. Step 2: Convert to fraction form
    15,430.68/23,127.46 = 7,099.21/x
  3. Step 3: Cross multiply
    15,430.68x = 23,127.46 × 7,099.21
  4. Step 4: Simplify right side
    15,430.68x = 164,186,695.31
  5. Step 5: Solve for x
    x = 164,186,695.31/15,430.68
  6. Step 6: Final answer
    x = 10,640.28

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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.