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Finding the Fourth Proportional to 9,828.72, 14,710.08 and 6,695.76

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Solution

The fourth proportional to 9,828.72, 14,710.08 and 6,695.76 is: 10,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.72 : 14,710.08 = 6,695.76 : x
  2. Step 2: Convert to fraction form
    9,828.72/14,710.08 = 6,695.76/x
  3. Step 3: Cross multiply
    9,828.72x = 14,710.08 × 6,695.76
  4. Step 4: Simplify right side
    9,828.72x = 98,495,165.26
  5. Step 5: Solve for x
    x = 98,495,165.26/9,828.72
  6. Step 6: Final answer
    x = 10,021.16

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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.