Home / 13,245.51-19,865.53-6,575.16

Finding the Fourth Proportional to 13,245.51, 19,865.53 and 6,575.16

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Solution

The fourth proportional to 13,245.51, 19,865.53 and 6,575.16 is: 9,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.51 : 19,865.53 = 6,575.16 : x
  2. Step 2: Convert to fraction form
    13,245.51/19,865.53 = 6,575.16/x
  3. Step 3: Cross multiply
    13,245.51x = 19,865.53 × 6,575.16
  4. Step 4: Simplify right side
    13,245.51x = 130,619,038.23
  5. Step 5: Solve for x
    x = 130,619,038.23/13,245.51
  6. Step 6: Final answer
    x = 9,861.38

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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.