Home / 10,353.22-14,287.08-5,637.40

Finding the Fourth Proportional to 10,353.22, 14,287.08 and 5,637.40

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Solution

The fourth proportional to 10,353.22, 14,287.08 and 5,637.40 is: 7,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.22 : 14,287.08 = 5,637.40 : x
  2. Step 2: Convert to fraction form
    10,353.22/14,287.08 = 5,637.40/x
  3. Step 3: Cross multiply
    10,353.22x = 14,287.08 × 5,637.40
  4. Step 4: Simplify right side
    10,353.22x = 80,541,984.79
  5. Step 5: Solve for x
    x = 80,541,984.79/10,353.22
  6. Step 6: Final answer
    x = 7,779.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.