Home / 10,199.86-14,070.57-6,802.72

Finding the Fourth Proportional to 10,199.86, 14,070.57 and 6,802.72

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Solution

The fourth proportional to 10,199.86, 14,070.57 and 6,802.72 is: 9,384.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.86 : 14,070.57 = 6,802.72 : x
  2. Step 2: Convert to fraction form
    10,199.86/14,070.57 = 6,802.72/x
  3. Step 3: Cross multiply
    10,199.86x = 14,070.57 × 6,802.72
  4. Step 4: Simplify right side
    10,199.86x = 95,718,147.95
  5. Step 5: Solve for x
    x = 95,718,147.95/10,199.86
  6. Step 6: Final answer
    x = 9,384.26

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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.