Home / 13,271.37-19,909.02-4,387.62

Finding the Fourth Proportional to 13,271.37, 19,909.02 and 4,387.62

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Solution

The fourth proportional to 13,271.37, 19,909.02 and 4,387.62 is: 6,582.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.37 : 19,909.02 = 4,387.62 : x
  2. Step 2: Convert to fraction form
    13,271.37/19,909.02 = 4,387.62/x
  3. Step 3: Cross multiply
    13,271.37x = 19,909.02 × 4,387.62
  4. Step 4: Simplify right side
    13,271.37x = 87,353,214.33
  5. Step 5: Solve for x
    x = 87,353,214.33/13,271.37
  6. Step 6: Final answer
    x = 6,582.08

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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.