Home / 13,349.58-20,014.65-6,415.98

Finding the Fourth Proportional to 13,349.58, 20,014.65 and 6,415.98

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Solution

The fourth proportional to 13,349.58, 20,014.65 and 6,415.98 is: 9,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.58 : 20,014.65 = 6,415.98 : x
  2. Step 2: Convert to fraction form
    13,349.58/20,014.65 = 6,415.98/x
  3. Step 3: Cross multiply
    13,349.58x = 20,014.65 × 6,415.98
  4. Step 4: Simplify right side
    13,349.58x = 128,413,594.11
  5. Step 5: Solve for x
    x = 128,413,594.11/13,349.58
  6. Step 6: Final answer
    x = 9,619.30

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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.