Home / 14,790.75-20,384.50-12,259.53

Finding the Fourth Proportional to 14,790.75, 20,384.50 and 12,259.53

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Solution

The fourth proportional to 14,790.75, 20,384.50 and 12,259.53 is: 16,895.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.75 : 20,384.50 = 12,259.53 : x
  2. Step 2: Convert to fraction form
    14,790.75/20,384.50 = 12,259.53/x
  3. Step 3: Cross multiply
    14,790.75x = 20,384.50 × 12,259.53
  4. Step 4: Simplify right side
    14,790.75x = 249,904,389.29
  5. Step 5: Solve for x
    x = 249,904,389.29/14,790.75
  6. Step 6: Final answer
    x = 16,895.99

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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.