Home / 10,386.35-15,579.53-9,263.15

Finding the Fourth Proportional to 10,386.35, 15,579.53 and 9,263.15

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Solution

The fourth proportional to 10,386.35, 15,579.53 and 9,263.15 is: 13,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.35 : 15,579.53 = 9,263.15 : x
  2. Step 2: Convert to fraction form
    10,386.35/15,579.53 = 9,263.15/x
  3. Step 3: Cross multiply
    10,386.35x = 15,579.53 × 9,263.15
  4. Step 4: Simplify right side
    10,386.35x = 144,315,477.00
  5. Step 5: Solve for x
    x = 144,315,477.00/10,386.35
  6. Step 6: Final answer
    x = 13,894.73

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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.