Home / 10,802.16-14,887.80-8,148.60

Finding the Fourth Proportional to 10,802.16, 14,887.80 and 8,148.60

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Solution

The fourth proportional to 10,802.16, 14,887.80 and 8,148.60 is: 11,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.16 : 14,887.80 = 8,148.60 : x
  2. Step 2: Convert to fraction form
    10,802.16/14,887.80 = 8,148.60/x
  3. Step 3: Cross multiply
    10,802.16x = 14,887.80 × 8,148.60
  4. Step 4: Simplify right side
    10,802.16x = 121,314,727.08
  5. Step 5: Solve for x
    x = 121,314,727.08/10,802.16
  6. Step 6: Final answer
    x = 11,230.60

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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.