Home / 14,386.70-21,576.02-9,113.87

Finding the Fourth Proportional to 14,386.70, 21,576.02 and 9,113.87

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Solution

The fourth proportional to 14,386.70, 21,576.02 and 9,113.87 is: 13,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.70 : 21,576.02 = 9,113.87 : x
  2. Step 2: Convert to fraction form
    14,386.70/21,576.02 = 9,113.87/x
  3. Step 3: Cross multiply
    14,386.70x = 21,576.02 × 9,113.87
  4. Step 4: Simplify right side
    14,386.70x = 196,640,956.30
  5. Step 5: Solve for x
    x = 196,640,956.30/14,386.70
  6. Step 6: Final answer
    x = 13,668.25

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1.5x scale

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.