Home / 10,353.02-14,287.19-5,637.20

Finding the Fourth Proportional to 10,353.02, 14,287.19 and 5,637.20

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Solution

The fourth proportional to 10,353.02, 14,287.19 and 5,637.20 is: 7,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.02 : 14,287.19 = 5,637.20 : x
  2. Step 2: Convert to fraction form
    10,353.02/14,287.19 = 5,637.20/x
  3. Step 3: Cross multiply
    10,353.02x = 14,287.19 × 5,637.20
  4. Step 4: Simplify right side
    10,353.02x = 80,539,647.85
  5. Step 5: Solve for x
    x = 80,539,647.85/10,353.02
  6. Step 6: Final answer
    x = 7,779.34

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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.