Home / 10,697.36-14,752.80-6,718.86

Finding the Fourth Proportional to 10,697.36, 14,752.80 and 6,718.86

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Solution

The fourth proportional to 10,697.36, 14,752.80 and 6,718.86 is: 9,266.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697.36 : 14,752.80 = 6,718.86 : x
  2. Step 2: Convert to fraction form
    10,697.36/14,752.80 = 6,718.86/x
  3. Step 3: Cross multiply
    10,697.36x = 14,752.80 × 6,718.86
  4. Step 4: Simplify right side
    10,697.36x = 99,121,997.81
  5. Step 5: Solve for x
    x = 99,121,997.81/10,697.36
  6. Step 6: Final answer
    x = 9,266.03

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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.