Home / 14,337.60-21,506.40-3,807.60

Finding the Fourth Proportional to 14,337.60, 21,506.40 and 3,807.60

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Solution

The fourth proportional to 14,337.60, 21,506.40 and 3,807.60 is: 5,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,337.60 : 21,506.40 = 3,807.60 : x
  2. Step 2: Convert to fraction form
    14,337.60/21,506.40 = 3,807.60/x
  3. Step 3: Cross multiply
    14,337.60x = 21,506.40 × 3,807.60
  4. Step 4: Simplify right side
    14,337.60x = 81,887,768.64
  5. Step 5: Solve for x
    x = 81,887,768.64/14,337.60
  6. Step 6: Final answer
    x = 5,711.40

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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.