Home / 9,705.09-14,556.21-4,773.40

Finding the Fourth Proportional to 9,705.09, 14,556.21 and 4,773.40

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Solution

The fourth proportional to 9,705.09, 14,556.21 and 4,773.40 is: 7,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.09 : 14,556.21 = 4,773.40 : x
  2. Step 2: Convert to fraction form
    9,705.09/14,556.21 = 4,773.40/x
  3. Step 3: Cross multiply
    9,705.09x = 14,556.21 × 4,773.40
  4. Step 4: Simplify right side
    9,705.09x = 69,482,612.81
  5. Step 5: Solve for x
    x = 69,482,612.81/9,705.09
  6. Step 6: Final answer
    x = 7,159.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.