Home / 19,421.16-29,107.29-8,314.71

Finding the Fourth Proportional to 19,421.16, 29,107.29 and 8,314.71

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Solution

The fourth proportional to 19,421.16, 29,107.29 and 8,314.71 is: 12,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421.16 : 29,107.29 = 8,314.71 : x
  2. Step 2: Convert to fraction form
    19,421.16/29,107.29 = 8,314.71/x
  3. Step 3: Cross multiply
    19,421.16x = 29,107.29 × 8,314.71
  4. Step 4: Simplify right side
    19,421.16x = 242,018,675.24
  5. Step 5: Solve for x
    x = 242,018,675.24/19,421.16
  6. Step 6: Final answer
    x = 12,461.60

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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.