Home / 14,378.40-19,836.72-10,610.64

Finding the Fourth Proportional to 14,378.40, 19,836.72 and 10,610.64

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Solution

The fourth proportional to 14,378.40, 19,836.72 and 10,610.64 is: 14,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.40 : 19,836.72 = 10,610.64 : x
  2. Step 2: Convert to fraction form
    14,378.40/19,836.72 = 10,610.64/x
  3. Step 3: Cross multiply
    14,378.40x = 19,836.72 × 10,610.64
  4. Step 4: Simplify right side
    14,378.40x = 210,480,294.70
  5. Step 5: Solve for x
    x = 210,480,294.70/14,378.40
  6. Step 6: Final answer
    x = 14,638.65

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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.