Home / 14,274.86-19,703.30-8,307.68

Finding the Fourth Proportional to 14,274.86, 19,703.30 and 8,307.68

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Solution

The fourth proportional to 14,274.86, 19,703.30 and 8,307.68 is: 11,466.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.86 : 19,703.30 = 8,307.68 : x
  2. Step 2: Convert to fraction form
    14,274.86/19,703.30 = 8,307.68/x
  3. Step 3: Cross multiply
    14,274.86x = 19,703.30 × 8,307.68
  4. Step 4: Simplify right side
    14,274.86x = 163,688,571.29
  5. Step 5: Solve for x
    x = 163,688,571.29/14,274.86
  6. Step 6: Final answer
    x = 11,466.92

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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.