Home / 10,548.58-15,823.95-3,980.29

Finding the Fourth Proportional to 10,548.58, 15,823.95 and 3,980.29

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Solution

The fourth proportional to 10,548.58, 15,823.95 and 3,980.29 is: 5,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.58 : 15,823.95 = 3,980.29 : x
  2. Step 2: Convert to fraction form
    10,548.58/15,823.95 = 3,980.29/x
  3. Step 3: Cross multiply
    10,548.58x = 15,823.95 × 3,980.29
  4. Step 4: Simplify right side
    10,548.58x = 62,983,909.95
  5. Step 5: Solve for x
    x = 62,983,909.95/10,548.58
  6. Step 6: Final answer
    x = 5,970.84

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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.