Home / 14,706.42-20,276.37-12,284.79

Finding the Fourth Proportional to 14,706.42, 20,276.37 and 12,284.79

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Solution

The fourth proportional to 14,706.42, 20,276.37 and 12,284.79 is: 16,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,706.42 : 20,276.37 = 12,284.79 : x
  2. Step 2: Convert to fraction form
    14,706.42/20,276.37 = 12,284.79/x
  3. Step 3: Cross multiply
    14,706.42x = 20,276.37 × 12,284.79
  4. Step 4: Simplify right side
    14,706.42x = 249,090,947.41
  5. Step 5: Solve for x
    x = 249,090,947.41/14,706.42
  6. Step 6: Final answer
    x = 16,937.57

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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.