Home / 13,088.36-19,627.50-4,320.92

Finding the Fourth Proportional to 13,088.36, 19,627.50 and 4,320.92

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Solution

The fourth proportional to 13,088.36, 19,627.50 and 4,320.92 is: 6,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.36 : 19,627.50 = 4,320.92 : x
  2. Step 2: Convert to fraction form
    13,088.36/19,627.50 = 4,320.92/x
  3. Step 3: Cross multiply
    13,088.36x = 19,627.50 × 4,320.92
  4. Step 4: Simplify right side
    13,088.36x = 84,808,857.30
  5. Step 5: Solve for x
    x = 84,808,857.30/13,088.36
  6. Step 6: Final answer
    x = 6,479.72

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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.