Home / 14,703.79-20,283.46-9,316.72

Finding the Fourth Proportional to 14,703.79, 20,283.46 and 9,316.72

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Solution

The fourth proportional to 14,703.79, 20,283.46 and 9,316.72 is: 12,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.79 : 20,283.46 = 9,316.72 : x
  2. Step 2: Convert to fraction form
    14,703.79/20,283.46 = 9,316.72/x
  3. Step 3: Cross multiply
    14,703.79x = 20,283.46 × 9,316.72
  4. Step 4: Simplify right side
    14,703.79x = 188,975,317.45
  5. Step 5: Solve for x
    x = 188,975,317.45/14,703.79
  6. Step 6: Final answer
    x = 12,852.15

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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.