Home / 13,038.48-17,992.98-7,070.28

Finding the Fourth Proportional to 13,038.48, 17,992.98 and 7,070.28

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Solution

The fourth proportional to 13,038.48, 17,992.98 and 7,070.28 is: 9,756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.48 : 17,992.98 = 7,070.28 : x
  2. Step 2: Convert to fraction form
    13,038.48/17,992.98 = 7,070.28/x
  3. Step 3: Cross multiply
    13,038.48x = 17,992.98 × 7,070.28
  4. Step 4: Simplify right side
    13,038.48x = 127,215,406.63
  5. Step 5: Solve for x
    x = 127,215,406.63/13,038.48
  6. Step 6: Final answer
    x = 9,756.92

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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.