Home / 15,410.47-21,266.11-8,695.93

Finding the Fourth Proportional to 15,410.47, 21,266.11 and 8,695.93

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Solution

The fourth proportional to 15,410.47, 21,266.11 and 8,695.93 is: 12,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.47 : 21,266.11 = 8,695.93 : x
  2. Step 2: Convert to fraction form
    15,410.47/21,266.11 = 8,695.93/x
  3. Step 3: Cross multiply
    15,410.47x = 21,266.11 × 8,695.93
  4. Step 4: Simplify right side
    15,410.47x = 184,928,603.93
  5. Step 5: Solve for x
    x = 184,928,603.93/15,410.47
  6. Step 6: Final answer
    x = 12,000.19

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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.