Home / 13,303.83-18,359.22-7,254.40

Finding the Fourth Proportional to 13,303.83, 18,359.22 and 7,254.40

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Solution

The fourth proportional to 13,303.83, 18,359.22 and 7,254.40 is: 10,011.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.83 : 18,359.22 = 7,254.40 : x
  2. Step 2: Convert to fraction form
    13,303.83/18,359.22 = 7,254.40/x
  3. Step 3: Cross multiply
    13,303.83x = 18,359.22 × 7,254.40
  4. Step 4: Simplify right side
    13,303.83x = 133,185,125.57
  5. Step 5: Solve for x
    x = 133,185,125.57/13,303.83
  6. Step 6: Final answer
    x = 10,011.04

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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.