Home / 10,320.08-15,477.08-2,925.18

Finding the Fourth Proportional to 10,320.08, 15,477.08 and 2,925.18

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Solution

The fourth proportional to 10,320.08, 15,477.08 and 2,925.18 is: 4,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.08 : 15,477.08 = 2,925.18 : x
  2. Step 2: Convert to fraction form
    10,320.08/15,477.08 = 2,925.18/x
  3. Step 3: Cross multiply
    10,320.08x = 15,477.08 × 2,925.18
  4. Step 4: Simplify right side
    10,320.08x = 45,273,230.25
  5. Step 5: Solve for x
    x = 45,273,230.25/10,320.08
  6. Step 6: Final answer
    x = 4,386.91

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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.