Home / 14,012.69-19,336.81-8,707.40

Finding the Fourth Proportional to 14,012.69, 19,336.81 and 8,707.40

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Solution

The fourth proportional to 14,012.69, 19,336.81 and 8,707.40 is: 12,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.69 : 19,336.81 = 8,707.40 : x
  2. Step 2: Convert to fraction form
    14,012.69/19,336.81 = 8,707.40/x
  3. Step 3: Cross multiply
    14,012.69x = 19,336.81 × 8,707.40
  4. Step 4: Simplify right side
    14,012.69x = 168,373,199.17
  5. Step 5: Solve for x
    x = 168,373,199.17/14,012.69
  6. Step 6: Final answer
    x = 12,015.77

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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.