Home / 10,265.04-15,316.96-9,638.08

Finding the Fourth Proportional to 10,265.04, 15,316.96 and 9,638.08

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Solution

The fourth proportional to 10,265.04, 15,316.96 and 9,638.08 is: 14,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.04 : 15,316.96 = 9,638.08 : x
  2. Step 2: Convert to fraction form
    10,265.04/15,316.96 = 9,638.08/x
  3. Step 3: Cross multiply
    10,265.04x = 15,316.96 × 9,638.08
  4. Step 4: Simplify right side
    10,265.04x = 147,626,085.84
  5. Step 5: Solve for x
    x = 147,626,085.84/10,265.04
  6. Step 6: Final answer
    x = 14,381.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.