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Finding the Fourth Proportional to 10,560, 14,573.08 and 6,840.48

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Solution

The fourth proportional to 10,560, 14,573.08 and 6,840.48 is: 9,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560 : 14,573.08 = 6,840.48 : x
  2. Step 2: Convert to fraction form
    10,560/14,573.08 = 6,840.48/x
  3. Step 3: Cross multiply
    10,560x = 14,573.08 × 6,840.48
  4. Step 4: Simplify right side
    10,560x = 99,686,862.28
  5. Step 5: Solve for x
    x = 99,686,862.28/10,560
  6. Step 6: Final answer
    x = 9,440.04

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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.