Home / 14,386.59-21,551.18-11,430.05

Finding the Fourth Proportional to 14,386.59, 21,551.18 and 11,430.05

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Solution

The fourth proportional to 14,386.59, 21,551.18 and 11,430.05 is: 17,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.59 : 21,551.18 = 11,430.05 : x
  2. Step 2: Convert to fraction form
    14,386.59/21,551.18 = 11,430.05/x
  3. Step 3: Cross multiply
    14,386.59x = 21,551.18 × 11,430.05
  4. Step 4: Simplify right side
    14,386.59x = 246,330,900.05
  5. Step 5: Solve for x
    x = 246,330,900.05/14,386.59
  6. Step 6: Final answer
    x = 17,122.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.