Home / 10,445.64-15,652.75-6,281.09

Finding the Fourth Proportional to 10,445.64, 15,652.75 and 6,281.09

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Solution

The fourth proportional to 10,445.64, 15,652.75 and 6,281.09 is: 9,412.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.64 : 15,652.75 = 6,281.09 : x
  2. Step 2: Convert to fraction form
    10,445.64/15,652.75 = 6,281.09/x
  3. Step 3: Cross multiply
    10,445.64x = 15,652.75 × 6,281.09
  4. Step 4: Simplify right side
    10,445.64x = 98,316,331.50
  5. Step 5: Solve for x
    x = 98,316,331.50/10,445.64
  6. Step 6: Final answer
    x = 9,412.19

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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.