Home / 15,606.72-21,537.26-8,892.35

Finding the Fourth Proportional to 15,606.72, 21,537.26 and 8,892.35

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Solution

The fourth proportional to 15,606.72, 21,537.26 and 8,892.35 is: 12,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.72 : 21,537.26 = 8,892.35 : x
  2. Step 2: Convert to fraction form
    15,606.72/21,537.26 = 8,892.35/x
  3. Step 3: Cross multiply
    15,606.72x = 21,537.26 × 8,892.35
  4. Step 4: Simplify right side
    15,606.72x = 191,516,701.81
  5. Step 5: Solve for x
    x = 191,516,701.81/15,606.72
  6. Step 6: Final answer
    x = 12,271.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.