Home / 14,946.71-20,636.38-9,289.90

Finding the Fourth Proportional to 14,946.71, 20,636.38 and 9,289.90

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Solution

The fourth proportional to 14,946.71, 20,636.38 and 9,289.90 is: 12,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946.71 : 20,636.38 = 9,289.90 : x
  2. Step 2: Convert to fraction form
    14,946.71/20,636.38 = 9,289.90/x
  3. Step 3: Cross multiply
    14,946.71x = 20,636.38 × 9,289.90
  4. Step 4: Simplify right side
    14,946.71x = 191,709,803.38
  5. Step 5: Solve for x
    x = 191,709,803.38/14,946.71
  6. Step 6: Final answer
    x = 12,826.22

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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.