Home / 13,836.49-19,094.47-7,548.86

Finding the Fourth Proportional to 13,836.49, 19,094.47 and 7,548.86

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Solution

The fourth proportional to 13,836.49, 19,094.47 and 7,548.86 is: 10,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.49 : 19,094.47 = 7,548.86 : x
  2. Step 2: Convert to fraction form
    13,836.49/19,094.47 = 7,548.86/x
  3. Step 3: Cross multiply
    13,836.49x = 19,094.47 × 7,548.86
  4. Step 4: Simplify right side
    13,836.49x = 144,141,509.67
  5. Step 5: Solve for x
    x = 144,141,509.67/13,836.49
  6. Step 6: Final answer
    x = 10,417.49

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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.