Home / 14,927.80-20,603.31-8,558.67

Finding the Fourth Proportional to 14,927.80, 20,603.31 and 8,558.67

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Solution

The fourth proportional to 14,927.80, 20,603.31 and 8,558.67 is: 11,812.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,927.80 : 20,603.31 = 8,558.67 : x
  2. Step 2: Convert to fraction form
    14,927.80/20,603.31 = 8,558.67/x
  3. Step 3: Cross multiply
    14,927.80x = 20,603.31 × 8,558.67
  4. Step 4: Simplify right side
    14,927.80x = 176,336,931.20
  5. Step 5: Solve for x
    x = 176,336,931.20/14,927.80
  6. Step 6: Final answer
    x = 11,812.65

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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.