Home / 19,567.56-29,353.80-6,421.32

Finding the Fourth Proportional to 19,567.56, 29,353.80 and 6,421.32

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Solution

The fourth proportional to 19,567.56, 29,353.80 and 6,421.32 is: 9,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,567.56 : 29,353.80 = 6,421.32 : x
  2. Step 2: Convert to fraction form
    19,567.56/29,353.80 = 6,421.32/x
  3. Step 3: Cross multiply
    19,567.56x = 29,353.80 × 6,421.32
  4. Step 4: Simplify right side
    19,567.56x = 188,490,143.02
  5. Step 5: Solve for x
    x = 188,490,143.02/19,567.56
  6. Step 6: Final answer
    x = 9,632.79

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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.