Home / 9,302.84-13,959.04-5,142.07

Finding the Fourth Proportional to 9,302.84, 13,959.04 and 5,142.07

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Solution

The fourth proportional to 9,302.84, 13,959.04 and 5,142.07 is: 7,715.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,302.84 : 13,959.04 = 5,142.07 : x
  2. Step 2: Convert to fraction form
    9,302.84/13,959.04 = 5,142.07/x
  3. Step 3: Cross multiply
    9,302.84x = 13,959.04 × 5,142.07
  4. Step 4: Simplify right side
    9,302.84x = 71,778,360.81
  5. Step 5: Solve for x
    x = 71,778,360.81/9,302.84
  6. Step 6: Final answer
    x = 7,715.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.