Home / 9,725.68-13,421.08-5,476.96

Finding the Fourth Proportional to 9,725.68, 13,421.08 and 5,476.96

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Solution

The fourth proportional to 9,725.68, 13,421.08 and 5,476.96 is: 7,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.68 : 13,421.08 = 5,476.96 : x
  2. Step 2: Convert to fraction form
    9,725.68/13,421.08 = 5,476.96/x
  3. Step 3: Cross multiply
    9,725.68x = 13,421.08 × 5,476.96
  4. Step 4: Simplify right side
    9,725.68x = 73,506,718.32
  5. Step 5: Solve for x
    x = 73,506,718.32/9,725.68
  6. Step 6: Final answer
    x = 7,558.00

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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.