Home / 19,315.86-26,656.47-10,817.96

Finding the Fourth Proportional to 19,315.86, 26,656.47 and 10,817.96

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Solution

The fourth proportional to 19,315.86, 26,656.47 and 10,817.96 is: 14,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.86 : 26,656.47 = 10,817.96 : x
  2. Step 2: Convert to fraction form
    19,315.86/26,656.47 = 10,817.96/x
  3. Step 3: Cross multiply
    19,315.86x = 26,656.47 × 10,817.96
  4. Step 4: Simplify right side
    19,315.86x = 288,368,492.92
  5. Step 5: Solve for x
    x = 288,368,492.92/19,315.86
  6. Step 6: Final answer
    x = 14,929.11

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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.