Home / 19,889.12-29,830.44-6,038.12

Finding the Fourth Proportional to 19,889.12, 29,830.44 and 6,038.12

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Solution

The fourth proportional to 19,889.12, 29,830.44 and 6,038.12 is: 9,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.12 : 29,830.44 = 6,038.12 : x
  2. Step 2: Convert to fraction form
    19,889.12/29,830.44 = 6,038.12/x
  3. Step 3: Cross multiply
    19,889.12x = 29,830.44 × 6,038.12
  4. Step 4: Simplify right side
    19,889.12x = 180,119,776.37
  5. Step 5: Solve for x
    x = 180,119,776.37/19,889.12
  6. Step 6: Final answer
    x = 9,056.20

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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.