Home / 13,557.34-20,338.76-4,798.40

Finding the Fourth Proportional to 13,557.34, 20,338.76 and 4,798.40

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Solution

The fourth proportional to 13,557.34, 20,338.76 and 4,798.40 is: 7,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.34 : 20,338.76 = 4,798.40 : x
  2. Step 2: Convert to fraction form
    13,557.34/20,338.76 = 4,798.40/x
  3. Step 3: Cross multiply
    13,557.34x = 20,338.76 × 4,798.40
  4. Step 4: Simplify right side
    13,557.34x = 97,593,532.84
  5. Step 5: Solve for x
    x = 97,593,532.84/13,557.34
  6. Step 6: Final answer
    x = 7,198.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.