Home / 18,904.95-26,089.70-10,521.99

Finding the Fourth Proportional to 18,904.95, 26,089.70 and 10,521.99

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Solution

The fourth proportional to 18,904.95, 26,089.70 and 10,521.99 is: 14,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.95 : 26,089.70 = 10,521.99 : x
  2. Step 2: Convert to fraction form
    18,904.95/26,089.70 = 10,521.99/x
  3. Step 3: Cross multiply
    18,904.95x = 26,089.70 × 10,521.99
  4. Step 4: Simplify right side
    18,904.95x = 274,515,509.89
  5. Step 5: Solve for x
    x = 274,515,509.89/18,904.95
  6. Step 6: Final answer
    x = 14,520.83

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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.