Home / 13,124.04-18,110.56-7,458.66

Finding the Fourth Proportional to 13,124.04, 18,110.56 and 7,458.66

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Solution

The fourth proportional to 13,124.04, 18,110.56 and 7,458.66 is: 10,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.04 : 18,110.56 = 7,458.66 : x
  2. Step 2: Convert to fraction form
    13,124.04/18,110.56 = 7,458.66/x
  3. Step 3: Cross multiply
    13,124.04x = 18,110.56 × 7,458.66
  4. Step 4: Simplify right side
    13,124.04x = 135,080,509.45
  5. Step 5: Solve for x
    x = 135,080,509.45/13,124.04
  6. Step 6: Final answer
    x = 10,292.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.