Home / 19,395.37-29,075.28-7,557.13

Finding the Fourth Proportional to 19,395.37, 29,075.28 and 7,557.13

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Solution

The fourth proportional to 19,395.37, 29,075.28 and 7,557.13 is: 11,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.37 : 29,075.28 = 7,557.13 : x
  2. Step 2: Convert to fraction form
    19,395.37/29,075.28 = 7,557.13/x
  3. Step 3: Cross multiply
    19,395.37x = 29,075.28 × 7,557.13
  4. Step 4: Simplify right side
    19,395.37x = 219,725,670.75
  5. Step 5: Solve for x
    x = 219,725,670.75/19,395.37
  6. Step 6: Final answer
    x = 11,328.77

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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.