Home / 13,437.34-20,065.46-10,977.02

Finding the Fourth Proportional to 13,437.34, 20,065.46 and 10,977.02

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Solution

The fourth proportional to 13,437.34, 20,065.46 and 10,977.02 is: 16,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.34 : 20,065.46 = 10,977.02 : x
  2. Step 2: Convert to fraction form
    13,437.34/20,065.46 = 10,977.02/x
  3. Step 3: Cross multiply
    13,437.34x = 20,065.46 × 10,977.02
  4. Step 4: Simplify right side
    13,437.34x = 220,258,955.73
  5. Step 5: Solve for x
    x = 220,258,955.73/13,437.34
  6. Step 6: Final answer
    x = 16,391.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.