Home / 14,289.18-21,437.10-4,427.93

Finding the Fourth Proportional to 14,289.18, 21,437.10 and 4,427.93

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Solution

The fourth proportional to 14,289.18, 21,437.10 and 4,427.93 is: 6,642.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.18 : 21,437.10 = 4,427.93 : x
  2. Step 2: Convert to fraction form
    14,289.18/21,437.10 = 4,427.93/x
  3. Step 3: Cross multiply
    14,289.18x = 21,437.10 × 4,427.93
  4. Step 4: Simplify right side
    14,289.18x = 94,921,978.20
  5. Step 5: Solve for x
    x = 94,921,978.20/14,289.18
  6. Step 6: Final answer
    x = 6,642.93

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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.