Home / 18,755.48-25,886.86-10,802.28

Finding the Fourth Proportional to 18,755.48, 25,886.86 and 10,802.28

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Solution

The fourth proportional to 18,755.48, 25,886.86 and 10,802.28 is: 14,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.48 : 25,886.86 = 10,802.28 : x
  2. Step 2: Convert to fraction form
    18,755.48/25,886.86 = 10,802.28/x
  3. Step 3: Cross multiply
    18,755.48x = 25,886.86 × 10,802.28
  4. Step 4: Simplify right side
    18,755.48x = 279,637,110.04
  5. Step 5: Solve for x
    x = 279,637,110.04/18,755.48
  6. Step 6: Final answer
    x = 14,909.62

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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.