Home / 14,157.10-19,536.94-7,784.02

Finding the Fourth Proportional to 14,157.10, 19,536.94 and 7,784.02

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Solution

The fourth proportional to 14,157.10, 19,536.94 and 7,784.02 is: 10,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.10 : 19,536.94 = 7,784.02 : x
  2. Step 2: Convert to fraction form
    14,157.10/19,536.94 = 7,784.02/x
  3. Step 3: Cross multiply
    14,157.10x = 19,536.94 × 7,784.02
  4. Step 4: Simplify right side
    14,157.10x = 152,075,931.70
  5. Step 5: Solve for x
    x = 152,075,931.70/14,157.10
  6. Step 6: Final answer
    x = 10,742.03

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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.