Home / 19,368.06-26,721.24-10,869.02

Finding the Fourth Proportional to 19,368.06, 26,721.24 and 10,869.02

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Solution

The fourth proportional to 19,368.06, 26,721.24 and 10,869.02 is: 14,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.06 : 26,721.24 = 10,869.02 : x
  2. Step 2: Convert to fraction form
    19,368.06/26,721.24 = 10,869.02/x
  3. Step 3: Cross multiply
    19,368.06x = 26,721.24 × 10,869.02
  4. Step 4: Simplify right side
    19,368.06x = 290,433,678.96
  5. Step 5: Solve for x
    x = 290,433,678.96/19,368.06
  6. Step 6: Final answer
    x = 14,995.50

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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.