Home / 19,931.06-29,901.76-8,835.08

Finding the Fourth Proportional to 19,931.06, 29,901.76 and 8,835.08

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Solution

The fourth proportional to 19,931.06, 29,901.76 and 8,835.08 is: 13,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.06 : 29,901.76 = 8,835.08 : x
  2. Step 2: Convert to fraction form
    19,931.06/29,901.76 = 8,835.08/x
  3. Step 3: Cross multiply
    19,931.06x = 29,901.76 × 8,835.08
  4. Step 4: Simplify right side
    19,931.06x = 264,184,270.14
  5. Step 5: Solve for x
    x = 264,184,270.14/19,931.06
  6. Step 6: Final answer
    x = 13,254.90

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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.