Home / 14,509.08-21,760.78-4,645.72

Finding the Fourth Proportional to 14,509.08, 21,760.78 and 4,645.72

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Solution

The fourth proportional to 14,509.08, 21,760.78 and 4,645.72 is: 6,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.08 : 21,760.78 = 4,645.72 : x
  2. Step 2: Convert to fraction form
    14,509.08/21,760.78 = 4,645.72/x
  3. Step 3: Cross multiply
    14,509.08x = 21,760.78 × 4,645.72
  4. Step 4: Simplify right side
    14,509.08x = 101,094,490.86
  5. Step 5: Solve for x
    x = 101,094,490.86/14,509.08
  6. Step 6: Final answer
    x = 6,967.67

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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.