Home / 13,795.04-19,037.16-7,507.40

Finding the Fourth Proportional to 13,795.04, 19,037.16 and 7,507.40

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Solution

The fourth proportional to 13,795.04, 19,037.16 and 7,507.40 is: 10,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.04 : 19,037.16 = 7,507.40 : x
  2. Step 2: Convert to fraction form
    13,795.04/19,037.16 = 7,507.40/x
  3. Step 3: Cross multiply
    13,795.04x = 19,037.16 × 7,507.40
  4. Step 4: Simplify right side
    13,795.04x = 142,919,574.98
  5. Step 5: Solve for x
    x = 142,919,574.98/13,795.04
  6. Step 6: Final answer
    x = 10,360.21

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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.