Home / 14,312.69-21,354.20-12,733.94

Finding the Fourth Proportional to 14,312.69, 21,354.20 and 12,733.94

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Solution

The fourth proportional to 14,312.69, 21,354.20 and 12,733.94 is: 18,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.69 : 21,354.20 = 12,733.94 : x
  2. Step 2: Convert to fraction form
    14,312.69/21,354.20 = 12,733.94/x
  3. Step 3: Cross multiply
    14,312.69x = 21,354.20 × 12,733.94
  4. Step 4: Simplify right side
    14,312.69x = 271,922,931.11
  5. Step 5: Solve for x
    x = 271,922,931.11/14,312.69
  6. Step 6: Final answer
    x = 18,998.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.