Home / 13,088.04-19,621.80-8,160

Finding the Fourth Proportional to 13,088.04, 19,621.80 and 8,160

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Solution

The fourth proportional to 13,088.04, 19,621.80 and 8,160 is: 12,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.04 : 19,621.80 = 8,160 : x
  2. Step 2: Convert to fraction form
    13,088.04/19,621.80 = 8,160/x
  3. Step 3: Cross multiply
    13,088.04x = 19,621.80 × 8,160
  4. Step 4: Simplify right side
    13,088.04x = 160,113,888
  5. Step 5: Solve for x
    x = 160,113,888/13,088.04
  6. Step 6: Final answer
    x = 12,233.60

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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.