Home / 15,455.72-23,152.66-7,124.34

Finding the Fourth Proportional to 15,455.72, 23,152.66 and 7,124.34

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Solution

The fourth proportional to 15,455.72, 23,152.66 and 7,124.34 is: 10,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.72 : 23,152.66 = 7,124.34 : x
  2. Step 2: Convert to fraction form
    15,455.72/23,152.66 = 7,124.34/x
  3. Step 3: Cross multiply
    15,455.72x = 23,152.66 × 7,124.34
  4. Step 4: Simplify right side
    15,455.72x = 164,947,421.74
  5. Step 5: Solve for x
    x = 164,947,421.74/15,455.72
  6. Step 6: Final answer
    x = 10,672.26

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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.