Home / 14,386.40-21,583.18-14,148.02

Finding the Fourth Proportional to 14,386.40, 21,583.18 and 14,148.02

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Solution

The fourth proportional to 14,386.40, 21,583.18 and 14,148.02 is: 21,225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.40 : 21,583.18 = 14,148.02 : x
  2. Step 2: Convert to fraction form
    14,386.40/21,583.18 = 14,148.02/x
  3. Step 3: Cross multiply
    14,386.40x = 21,583.18 × 14,148.02
  4. Step 4: Simplify right side
    14,386.40x = 305,359,262.30
  5. Step 5: Solve for x
    x = 305,359,262.30/14,386.40
  6. Step 6: Final answer
    x = 21,225.55

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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.