Home / 13,254.04-18,290.34-7,285.66

Finding the Fourth Proportional to 13,254.04, 18,290.34 and 7,285.66

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Solution

The fourth proportional to 13,254.04, 18,290.34 and 7,285.66 is: 10,054.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.04 : 18,290.34 = 7,285.66 : x
  2. Step 2: Convert to fraction form
    13,254.04/18,290.34 = 7,285.66/x
  3. Step 3: Cross multiply
    13,254.04x = 18,290.34 × 7,285.66
  4. Step 4: Simplify right side
    13,254.04x = 133,257,152.80
  5. Step 5: Solve for x
    x = 133,257,152.80/13,254.04
  6. Step 6: Final answer
    x = 10,054.08

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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.