Home / 18,948.96-26,156.77-14,246.90

Finding the Fourth Proportional to 18,948.96, 26,156.77 and 14,246.90

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Solution

The fourth proportional to 18,948.96, 26,156.77 and 14,246.90 is: 19,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.96 : 26,156.77 = 14,246.90 : x
  2. Step 2: Convert to fraction form
    18,948.96/26,156.77 = 14,246.90/x
  3. Step 3: Cross multiply
    18,948.96x = 26,156.77 × 14,246.90
  4. Step 4: Simplify right side
    18,948.96x = 372,652,886.51
  5. Step 5: Solve for x
    x = 372,652,886.51/18,948.96
  6. Step 6: Final answer
    x = 19,666.14

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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.