Home / 18,929.36-26,114.49-10,968.68

Finding the Fourth Proportional to 18,929.36, 26,114.49 and 10,968.68

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Solution

The fourth proportional to 18,929.36, 26,114.49 and 10,968.68 is: 15,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929.36 : 26,114.49 = 10,968.68 : x
  2. Step 2: Convert to fraction form
    18,929.36/26,114.49 = 10,968.68/x
  3. Step 3: Cross multiply
    18,929.36x = 26,114.49 × 10,968.68
  4. Step 4: Simplify right side
    18,929.36x = 286,441,549.46
  5. Step 5: Solve for x
    x = 286,441,549.46/18,929.36
  6. Step 6: Final answer
    x = 15,132.13

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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.