Home / 10,305.04-15,445.62-4,746.72

Finding the Fourth Proportional to 10,305.04, 15,445.62 and 4,746.72

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Solution

The fourth proportional to 10,305.04, 15,445.62 and 4,746.72 is: 7,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.04 : 15,445.62 = 4,746.72 : x
  2. Step 2: Convert to fraction form
    10,305.04/15,445.62 = 4,746.72/x
  3. Step 3: Cross multiply
    10,305.04x = 15,445.62 × 4,746.72
  4. Step 4: Simplify right side
    10,305.04x = 73,316,033.37
  5. Step 5: Solve for x
    x = 73,316,033.37/10,305.04
  6. Step 6: Final answer
    x = 7,114.58

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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.