Home / 15,836.40-23,754.60-14,378.40

Finding the Fourth Proportional to 15,836.40, 23,754.60 and 14,378.40

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Solution

The fourth proportional to 15,836.40, 23,754.60 and 14,378.40 is: 21,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836.40 : 23,754.60 = 14,378.40 : x
  2. Step 2: Convert to fraction form
    15,836.40/23,754.60 = 14,378.40/x
  3. Step 3: Cross multiply
    15,836.40x = 23,754.60 × 14,378.40
  4. Step 4: Simplify right side
    15,836.40x = 341,553,140.64
  5. Step 5: Solve for x
    x = 341,553,140.64/15,836.40
  6. Step 6: Final answer
    x = 21,567.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.