Home / 20,303.04-30,454.44-7,655.16

Finding the Fourth Proportional to 20,303.04, 30,454.44 and 7,655.16

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Solution

The fourth proportional to 20,303.04, 30,454.44 and 7,655.16 is: 11,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.04 : 30,454.44 = 7,655.16 : x
  2. Step 2: Convert to fraction form
    20,303.04/30,454.44 = 7,655.16/x
  3. Step 3: Cross multiply
    20,303.04x = 30,454.44 × 7,655.16
  4. Step 4: Simplify right side
    20,303.04x = 233,133,610.91
  5. Step 5: Solve for x
    x = 233,133,610.91/20,303.04
  6. Step 6: Final answer
    x = 11,482.69

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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.