Home / 13,350.83-18,424.19-7,301.18

Finding the Fourth Proportional to 13,350.83, 18,424.19 and 7,301.18

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Solution

The fourth proportional to 13,350.83, 18,424.19 and 7,301.18 is: 10,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.83 : 18,424.19 = 7,301.18 : x
  2. Step 2: Convert to fraction form
    13,350.83/18,424.19 = 7,301.18/x
  3. Step 3: Cross multiply
    13,350.83x = 18,424.19 × 7,301.18
  4. Step 4: Simplify right side
    13,350.83x = 134,518,391.86
  5. Step 5: Solve for x
    x = 134,518,391.86/13,350.83
  6. Step 6: Final answer
    x = 10,075.66

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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.