Home / 13,148.16-19,699.80-7,230.01

Finding the Fourth Proportional to 13,148.16, 19,699.80 and 7,230.01

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Solution

The fourth proportional to 13,148.16, 19,699.80 and 7,230.01 is: 10,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.16 : 19,699.80 = 7,230.01 : x
  2. Step 2: Convert to fraction form
    13,148.16/19,699.80 = 7,230.01/x
  3. Step 3: Cross multiply
    13,148.16x = 19,699.80 × 7,230.01
  4. Step 4: Simplify right side
    13,148.16x = 142,429,751.00
  5. Step 5: Solve for x
    x = 142,429,751.00/13,148.16
  6. Step 6: Final answer
    x = 10,832.68

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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.