Home / 14,291.47-21,438.65-4,930.26

Finding the Fourth Proportional to 14,291.47, 21,438.65 and 4,930.26

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Solution

The fourth proportional to 14,291.47, 21,438.65 and 4,930.26 is: 7,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.47 : 21,438.65 = 4,930.26 : x
  2. Step 2: Convert to fraction form
    14,291.47/21,438.65 = 4,930.26/x
  3. Step 3: Cross multiply
    14,291.47x = 21,438.65 × 4,930.26
  4. Step 4: Simplify right side
    14,291.47x = 105,698,118.55
  5. Step 5: Solve for x
    x = 105,698,118.55/14,291.47
  6. Step 6: Final answer
    x = 7,395.89

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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.