Home / 10,157.48-14,017.70-5,681.22

Finding the Fourth Proportional to 10,157.48, 14,017.70 and 5,681.22

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Solution

The fourth proportional to 10,157.48, 14,017.70 and 5,681.22 is: 7,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.48 : 14,017.70 = 5,681.22 : x
  2. Step 2: Convert to fraction form
    10,157.48/14,017.70 = 5,681.22/x
  3. Step 3: Cross multiply
    10,157.48x = 14,017.70 × 5,681.22
  4. Step 4: Simplify right side
    10,157.48x = 79,637,539.10
  5. Step 5: Solve for x
    x = 79,637,539.10/10,157.48
  6. Step 6: Final answer
    x = 7,840.29

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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.