Home / 10,017.68-13,823-5,768.08

Finding the Fourth Proportional to 10,017.68, 13,823 and 5,768.08

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Solution

The fourth proportional to 10,017.68, 13,823 and 5,768.08 is: 7,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.68 : 13,823 = 5,768.08 : x
  2. Step 2: Convert to fraction form
    10,017.68/13,823 = 5,768.08/x
  3. Step 3: Cross multiply
    10,017.68x = 13,823 × 5,768.08
  4. Step 4: Simplify right side
    10,017.68x = 79,732,169.84
  5. Step 5: Solve for x
    x = 79,732,169.84/10,017.68
  6. Step 6: Final answer
    x = 7,959.15

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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.