Home / 19,623.60-29,424.60-8,528.40

Finding the Fourth Proportional to 19,623.60, 29,424.60 and 8,528.40

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Solution

The fourth proportional to 19,623.60, 29,424.60 and 8,528.40 is: 12,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.60 : 29,424.60 = 8,528.40 : x
  2. Step 2: Convert to fraction form
    19,623.60/29,424.60 = 8,528.40/x
  3. Step 3: Cross multiply
    19,623.60x = 29,424.60 × 8,528.40
  4. Step 4: Simplify right side
    19,623.60x = 250,944,758.64
  5. Step 5: Solve for x
    x = 250,944,758.64/19,623.60
  6. Step 6: Final answer
    x = 12,787.91

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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.