Home / 14,913.28-20,550-11,535.58

Finding the Fourth Proportional to 14,913.28, 20,550 and 11,535.58

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Solution

The fourth proportional to 14,913.28, 20,550 and 11,535.58 is: 15,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.28 : 20,550 = 11,535.58 : x
  2. Step 2: Convert to fraction form
    14,913.28/20,550 = 11,535.58/x
  3. Step 3: Cross multiply
    14,913.28x = 20,550 × 11,535.58
  4. Step 4: Simplify right side
    14,913.28x = 237,056,169
  5. Step 5: Solve for x
    x = 237,056,169/14,913.28
  6. Step 6: Final answer
    x = 15,895.64

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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.