Home / 12,923.13-19,384.77-4,603.47

Finding the Fourth Proportional to 12,923.13, 19,384.77 and 4,603.47

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Solution

The fourth proportional to 12,923.13, 19,384.77 and 4,603.47 is: 6,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.13 : 19,384.77 = 4,603.47 : x
  2. Step 2: Convert to fraction form
    12,923.13/19,384.77 = 4,603.47/x
  3. Step 3: Cross multiply
    12,923.13x = 19,384.77 × 4,603.47
  4. Step 4: Simplify right side
    12,923.13x = 89,237,125.83
  5. Step 5: Solve for x
    x = 89,237,125.83/12,923.13
  6. Step 6: Final answer
    x = 6,905.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.