Home / 10,302.21-14,219.15-6,112.89

Finding the Fourth Proportional to 10,302.21, 14,219.15 and 6,112.89

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Solution

The fourth proportional to 10,302.21, 14,219.15 and 6,112.89 is: 8,437.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.21 : 14,219.15 = 6,112.89 : x
  2. Step 2: Convert to fraction form
    10,302.21/14,219.15 = 6,112.89/x
  3. Step 3: Cross multiply
    10,302.21x = 14,219.15 × 6,112.89
  4. Step 4: Simplify right side
    10,302.21x = 86,920,069.28
  5. Step 5: Solve for x
    x = 86,920,069.28/10,302.21
  6. Step 6: Final answer
    x = 8,437.03

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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.