Home / 10,818.36-14,928.66-6,570.36

Finding the Fourth Proportional to 10,818.36, 14,928.66 and 6,570.36

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Solution

The fourth proportional to 10,818.36, 14,928.66 and 6,570.36 is: 9,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.36 : 14,928.66 = 6,570.36 : x
  2. Step 2: Convert to fraction form
    10,818.36/14,928.66 = 6,570.36/x
  3. Step 3: Cross multiply
    10,818.36x = 14,928.66 × 6,570.36
  4. Step 4: Simplify right side
    10,818.36x = 98,086,670.52
  5. Step 5: Solve for x
    x = 98,086,670.52/10,818.36
  6. Step 6: Final answer
    x = 9,066.69

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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.