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Finding the Fourth Proportional to 13,762.55, 19,000.20 and 9,060.50

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Solution

The fourth proportional to 13,762.55, 19,000.20 and 9,060.50 is: 12,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762.55 : 19,000.20 = 9,060.50 : x
  2. Step 2: Convert to fraction form
    13,762.55/19,000.20 = 9,060.50/x
  3. Step 3: Cross multiply
    13,762.55x = 19,000.20 × 9,060.50
  4. Step 4: Simplify right side
    13,762.55x = 172,151,312.10
  5. Step 5: Solve for x
    x = 172,151,312.10/13,762.55
  6. Step 6: Final answer
    x = 12,508.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.