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Finding the Fourth Proportional to 9,492.80, 13,101.35 and 7,130.84

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Solution

The fourth proportional to 9,492.80, 13,101.35 and 7,130.84 is: 9,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,492.80 : 13,101.35 = 7,130.84 : x
  2. Step 2: Convert to fraction form
    9,492.80/13,101.35 = 7,130.84/x
  3. Step 3: Cross multiply
    9,492.80x = 13,101.35 × 7,130.84
  4. Step 4: Simplify right side
    9,492.80x = 93,423,529.47
  5. Step 5: Solve for x
    x = 93,423,529.47/9,492.80
  6. Step 6: Final answer
    x = 9,841.52

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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.