Home / 13,973.40-19,283.29-7,685.77

Finding the Fourth Proportional to 13,973.40, 19,283.29 and 7,685.77

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Solution

The fourth proportional to 13,973.40, 19,283.29 and 7,685.77 is: 10,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.40 : 19,283.29 = 7,685.77 : x
  2. Step 2: Convert to fraction form
    13,973.40/19,283.29 = 7,685.77/x
  3. Step 3: Cross multiply
    13,973.40x = 19,283.29 × 7,685.77
  4. Step 4: Simplify right side
    13,973.40x = 148,206,931.78
  5. Step 5: Solve for x
    x = 148,206,931.78/13,973.40
  6. Step 6: Final answer
    x = 10,606.36

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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.