Home / 10,417.36-14,375.85-5,637.19

Finding the Fourth Proportional to 10,417.36, 14,375.85 and 5,637.19

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Solution

The fourth proportional to 10,417.36, 14,375.85 and 5,637.19 is: 7,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.36 : 14,375.85 = 5,637.19 : x
  2. Step 2: Convert to fraction form
    10,417.36/14,375.85 = 5,637.19/x
  3. Step 3: Cross multiply
    10,417.36x = 14,375.85 × 5,637.19
  4. Step 4: Simplify right side
    10,417.36x = 81,039,397.86
  5. Step 5: Solve for x
    x = 81,039,397.86/10,417.36
  6. Step 6: Final answer
    x = 7,779.26

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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.