Home / 10,017.51-13,824.30-6,242.20

Finding the Fourth Proportional to 10,017.51, 13,824.30 and 6,242.20

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Solution

The fourth proportional to 10,017.51, 13,824.30 and 6,242.20 is: 8,614.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.51 : 13,824.30 = 6,242.20 : x
  2. Step 2: Convert to fraction form
    10,017.51/13,824.30 = 6,242.20/x
  3. Step 3: Cross multiply
    10,017.51x = 13,824.30 × 6,242.20
  4. Step 4: Simplify right side
    10,017.51x = 86,293,981.64
  5. Step 5: Solve for x
    x = 86,293,981.64/10,017.51
  6. Step 6: Final answer
    x = 8,614.32

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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.