Home / 10,157.36-14,017.84-5,681.53

Finding the Fourth Proportional to 10,157.36, 14,017.84 and 5,681.53

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Solution

The fourth proportional to 10,157.36, 14,017.84 and 5,681.53 is: 7,840.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.36 : 14,017.84 = 5,681.53 : x
  2. Step 2: Convert to fraction form
    10,157.36/14,017.84 = 5,681.53/x
  3. Step 3: Cross multiply
    10,157.36x = 14,017.84 × 5,681.53
  4. Step 4: Simplify right side
    10,157.36x = 79,642,708.41
  5. Step 5: Solve for x
    x = 79,642,708.41/10,157.36
  6. Step 6: Final answer
    x = 7,840.89

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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.