Home / 10,394.03-14,343.74-5,678.35

Finding the Fourth Proportional to 10,394.03, 14,343.74 and 5,678.35

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Solution

The fourth proportional to 10,394.03, 14,343.74 and 5,678.35 is: 7,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.03 : 14,343.74 = 5,678.35 : x
  2. Step 2: Convert to fraction form
    10,394.03/14,343.74 = 5,678.35/x
  3. Step 3: Cross multiply
    10,394.03x = 14,343.74 × 5,678.35
  4. Step 4: Simplify right side
    10,394.03x = 81,448,733.07
  5. Step 5: Solve for x
    x = 81,448,733.07/10,394.03
  6. Step 6: Final answer
    x = 7,836.11

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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.