Home / 16,521.60-24,784.80-5,426.40

Finding the Fourth Proportional to 16,521.60, 24,784.80 and 5,426.40

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Solution

The fourth proportional to 16,521.60, 24,784.80 and 5,426.40 is: 8,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.60 : 24,784.80 = 5,426.40 : x
  2. Step 2: Convert to fraction form
    16,521.60/24,784.80 = 5,426.40/x
  3. Step 3: Cross multiply
    16,521.60x = 24,784.80 × 5,426.40
  4. Step 4: Simplify right side
    16,521.60x = 134,492,238.72
  5. Step 5: Solve for x
    x = 134,492,238.72/16,521.60
  6. Step 6: Final answer
    x = 8,140.39

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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.