Home / 14,289.10-21,427.64-5,402.93

Finding the Fourth Proportional to 14,289.10, 21,427.64 and 5,402.93

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Solution

The fourth proportional to 14,289.10, 21,427.64 and 5,402.93 is: 8,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.10 : 21,427.64 = 5,402.93 : x
  2. Step 2: Convert to fraction form
    14,289.10/21,427.64 = 5,402.93/x
  3. Step 3: Cross multiply
    14,289.10x = 21,427.64 × 5,402.93
  4. Step 4: Simplify right side
    14,289.10x = 115,772,065.54
  5. Step 5: Solve for x
    x = 115,772,065.54/14,289.10
  6. Step 6: Final answer
    x = 8,102.13

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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.