Home / 13,416.71-20,088.13-6,810.59

Finding the Fourth Proportional to 13,416.71, 20,088.13 and 6,810.59

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Solution

The fourth proportional to 13,416.71, 20,088.13 and 6,810.59 is: 10,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.71 : 20,088.13 = 6,810.59 : x
  2. Step 2: Convert to fraction form
    13,416.71/20,088.13 = 6,810.59/x
  3. Step 3: Cross multiply
    13,416.71x = 20,088.13 × 6,810.59
  4. Step 4: Simplify right side
    13,416.71x = 136,812,017.30
  5. Step 5: Solve for x
    x = 136,812,017.30/13,416.71
  6. Step 6: Final answer
    x = 10,197.14

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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.