Home / 14,386.21-21,575.22-7,273.69

Finding the Fourth Proportional to 14,386.21, 21,575.22 and 7,273.69

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Solution

The fourth proportional to 14,386.21, 21,575.22 and 7,273.69 is: 10,908.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.21 : 21,575.22 = 7,273.69 : x
  2. Step 2: Convert to fraction form
    14,386.21/21,575.22 = 7,273.69/x
  3. Step 3: Cross multiply
    14,386.21x = 21,575.22 × 7,273.69
  4. Step 4: Simplify right side
    14,386.21x = 156,931,461.96
  5. Step 5: Solve for x
    x = 156,931,461.96/14,386.21
  6. Step 6: Final answer
    x = 10,908.46

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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.