Home / 13,559.58-20,339.30-9,047.10

Finding the Fourth Proportional to 13,559.58, 20,339.30 and 9,047.10

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Solution

The fourth proportional to 13,559.58, 20,339.30 and 9,047.10 is: 13,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.58 : 20,339.30 = 9,047.10 : x
  2. Step 2: Convert to fraction form
    13,559.58/20,339.30 = 9,047.10/x
  3. Step 3: Cross multiply
    13,559.58x = 20,339.30 × 9,047.10
  4. Step 4: Simplify right side
    13,559.58x = 184,011,635.79
  5. Step 5: Solve for x
    x = 184,011,635.79/13,559.58
  6. Step 6: Final answer
    x = 13,570.60

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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.