Home / 15,851.40-21,855.08-10,176.14

Finding the Fourth Proportional to 15,851.40, 21,855.08 and 10,176.14

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Solution

The fourth proportional to 15,851.40, 21,855.08 and 10,176.14 is: 14,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,851.40 : 21,855.08 = 10,176.14 : x
  2. Step 2: Convert to fraction form
    15,851.40/21,855.08 = 10,176.14/x
  3. Step 3: Cross multiply
    15,851.40x = 21,855.08 × 10,176.14
  4. Step 4: Simplify right side
    15,851.40x = 222,400,353.79
  5. Step 5: Solve for x
    x = 222,400,353.79/15,851.40
  6. Step 6: Final answer
    x = 14,030.33

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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.