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Finding the Fourth Proportional to 19,071, 26,319.42 and 10,688.04

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Solution

The fourth proportional to 19,071, 26,319.42 and 10,688.04 is: 14,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071 : 26,319.42 = 10,688.04 : x
  2. Step 2: Convert to fraction form
    19,071/26,319.42 = 10,688.04/x
  3. Step 3: Cross multiply
    19,071x = 26,319.42 × 10,688.04
  4. Step 4: Simplify right side
    19,071x = 281,303,013.74
  5. Step 5: Solve for x
    x = 281,303,013.74/19,071
  6. Step 6: Final answer
    x = 14,750.30

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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.