Home / 14,293.50-19,727.42-8,328.70

Finding the Fourth Proportional to 14,293.50, 19,727.42 and 8,328.70

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Solution

The fourth proportional to 14,293.50, 19,727.42 and 8,328.70 is: 11,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.50 : 19,727.42 = 8,328.70 : x
  2. Step 2: Convert to fraction form
    14,293.50/19,727.42 = 8,328.70/x
  3. Step 3: Cross multiply
    14,293.50x = 19,727.42 × 8,328.70
  4. Step 4: Simplify right side
    14,293.50x = 164,303,762.95
  5. Step 5: Solve for x
    x = 164,303,762.95/14,293.50
  6. Step 6: Final answer
    x = 11,495.00

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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.