Home / 19,242.66-26,557.05-10,858.50

Finding the Fourth Proportional to 19,242.66, 26,557.05 and 10,858.50

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Solution

The fourth proportional to 19,242.66, 26,557.05 and 10,858.50 is: 14,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.66 : 26,557.05 = 10,858.50 : x
  2. Step 2: Convert to fraction form
    19,242.66/26,557.05 = 10,858.50/x
  3. Step 3: Cross multiply
    19,242.66x = 26,557.05 × 10,858.50
  4. Step 4: Simplify right side
    19,242.66x = 288,369,727.43
  5. Step 5: Solve for x
    x = 288,369,727.43/19,242.66
  6. Step 6: Final answer
    x = 14,985.96

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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.