Home / 16,291.81-22,483.44-12,748.87

Finding the Fourth Proportional to 16,291.81, 22,483.44 and 12,748.87

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Solution

The fourth proportional to 16,291.81, 22,483.44 and 12,748.87 is: 17,594.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,291.81 : 22,483.44 = 12,748.87 : x
  2. Step 2: Convert to fraction form
    16,291.81/22,483.44 = 12,748.87/x
  3. Step 3: Cross multiply
    16,291.81x = 22,483.44 × 12,748.87
  4. Step 4: Simplify right side
    16,291.81x = 286,638,277.55
  5. Step 5: Solve for x
    x = 286,638,277.55/16,291.81
  6. Step 6: Final answer
    x = 17,594.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.