Home / 14,460.72-21,688.93-3,931.35

Finding the Fourth Proportional to 14,460.72, 21,688.93 and 3,931.35

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Solution

The fourth proportional to 14,460.72, 21,688.93 and 3,931.35 is: 5,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,460.72 : 21,688.93 = 3,931.35 : x
  2. Step 2: Convert to fraction form
    14,460.72/21,688.93 = 3,931.35/x
  3. Step 3: Cross multiply
    14,460.72x = 21,688.93 × 3,931.35
  4. Step 4: Simplify right side
    14,460.72x = 85,266,774.96
  5. Step 5: Solve for x
    x = 85,266,774.96/14,460.72
  6. Step 6: Final answer
    x = 5,896.44

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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.