Home / 19,742.81-27,244.08-10,788.66

Finding the Fourth Proportional to 19,742.81, 27,244.08 and 10,788.66

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Solution

The fourth proportional to 19,742.81, 27,244.08 and 10,788.66 is: 14,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.81 : 27,244.08 = 10,788.66 : x
  2. Step 2: Convert to fraction form
    19,742.81/27,244.08 = 10,788.66/x
  3. Step 3: Cross multiply
    19,742.81x = 27,244.08 × 10,788.66
  4. Step 4: Simplify right side
    19,742.81x = 293,927,116.13
  5. Step 5: Solve for x
    x = 293,927,116.13/19,742.81
  6. Step 6: Final answer
    x = 14,887.81

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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.