Home / 14,935.42-20,603.98-8,956.72

Finding the Fourth Proportional to 14,935.42, 20,603.98 and 8,956.72

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Solution

The fourth proportional to 14,935.42, 20,603.98 and 8,956.72 is: 12,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,935.42 : 20,603.98 = 8,956.72 : x
  2. Step 2: Convert to fraction form
    14,935.42/20,603.98 = 8,956.72/x
  3. Step 3: Cross multiply
    14,935.42x = 20,603.98 × 8,956.72
  4. Step 4: Simplify right side
    14,935.42x = 184,544,079.75
  5. Step 5: Solve for x
    x = 184,544,079.75/14,935.42
  6. Step 6: Final answer
    x = 12,356.14

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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.