Home / 13,510.04-18,644.40-7,844.72

Finding the Fourth Proportional to 13,510.04, 18,644.40 and 7,844.72

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Solution

The fourth proportional to 13,510.04, 18,644.40 and 7,844.72 is: 10,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.04 : 18,644.40 = 7,844.72 : x
  2. Step 2: Convert to fraction form
    13,510.04/18,644.40 = 7,844.72/x
  3. Step 3: Cross multiply
    13,510.04x = 18,644.40 × 7,844.72
  4. Step 4: Simplify right side
    13,510.04x = 146,260,004.35
  5. Step 5: Solve for x
    x = 146,260,004.35/13,510.04
  6. Step 6: Final answer
    x = 10,826.03

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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.