Home / 13,533.78-20,300.68-6,602.34

Finding the Fourth Proportional to 13,533.78, 20,300.68 and 6,602.34

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Solution

The fourth proportional to 13,533.78, 20,300.68 and 6,602.34 is: 9,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.78 : 20,300.68 = 6,602.34 : x
  2. Step 2: Convert to fraction form
    13,533.78/20,300.68 = 6,602.34/x
  3. Step 3: Cross multiply
    13,533.78x = 20,300.68 × 6,602.34
  4. Step 4: Simplify right side
    13,533.78x = 134,032,038.83
  5. Step 5: Solve for x
    x = 134,032,038.83/13,533.78
  6. Step 6: Final answer
    x = 9,903.52

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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.