Home / 30,897.21-46,328.22-12,167.10

Finding the Fourth Proportional to 30,897.21, 46,328.22 and 12,167.10

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Solution

The fourth proportional to 30,897.21, 46,328.22 and 12,167.10 is: 18,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,897.21 : 46,328.22 = 12,167.10 : x
  2. Step 2: Convert to fraction form
    30,897.21/46,328.22 = 12,167.10/x
  3. Step 3: Cross multiply
    30,897.21x = 46,328.22 × 12,167.10
  4. Step 4: Simplify right side
    30,897.21x = 563,680,085.56
  5. Step 5: Solve for x
    x = 563,680,085.56/30,897.21
  6. Step 6: Final answer
    x = 18,243.72

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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.