Home / 12,953.42-19,400.90-9,075.14

Finding the Fourth Proportional to 12,953.42, 19,400.90 and 9,075.14

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Solution

The fourth proportional to 12,953.42, 19,400.90 and 9,075.14 is: 13,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953.42 : 19,400.90 = 9,075.14 : x
  2. Step 2: Convert to fraction form
    12,953.42/19,400.90 = 9,075.14/x
  3. Step 3: Cross multiply
    12,953.42x = 19,400.90 × 9,075.14
  4. Step 4: Simplify right side
    12,953.42x = 176,065,883.63
  5. Step 5: Solve for x
    x = 176,065,883.63/12,953.42
  6. Step 6: Final answer
    x = 13,592.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.