Home / 18,918.04-26,105.88-10,534

Finding the Fourth Proportional to 18,918.04, 26,105.88 and 10,534

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Solution

The fourth proportional to 18,918.04, 26,105.88 and 10,534 is: 14,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918.04 : 26,105.88 = 10,534 : x
  2. Step 2: Convert to fraction form
    18,918.04/26,105.88 = 10,534/x
  3. Step 3: Cross multiply
    18,918.04x = 26,105.88 × 10,534
  4. Step 4: Simplify right side
    18,918.04x = 274,999,339.92
  5. Step 5: Solve for x
    x = 274,999,339.92/18,918.04
  6. Step 6: Final answer
    x = 14,536.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.