Home / 10,208.40-14,055.36-9,274.11

Finding the Fourth Proportional to 10,208.40, 14,055.36 and 9,274.11

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Solution

The fourth proportional to 10,208.40, 14,055.36 and 9,274.11 is: 12,768.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.40 : 14,055.36 = 9,274.11 : x
  2. Step 2: Convert to fraction form
    10,208.40/14,055.36 = 9,274.11/x
  3. Step 3: Cross multiply
    10,208.40x = 14,055.36 × 9,274.11
  4. Step 4: Simplify right side
    10,208.40x = 130,350,867.24
  5. Step 5: Solve for x
    x = 130,350,867.24/10,208.40
  6. Step 6: Final answer
    x = 12,768.99

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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.