Home / 13,264.38-18,312.48-9,237.06

Finding the Fourth Proportional to 13,264.38, 18,312.48 and 9,237.06

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Solution

The fourth proportional to 13,264.38, 18,312.48 and 9,237.06 is: 12,752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.38 : 18,312.48 = 9,237.06 : x
  2. Step 2: Convert to fraction form
    13,264.38/18,312.48 = 9,237.06/x
  3. Step 3: Cross multiply
    13,264.38x = 18,312.48 × 9,237.06
  4. Step 4: Simplify right side
    13,264.38x = 169,153,476.51
  5. Step 5: Solve for x
    x = 169,153,476.51/13,264.38
  6. Step 6: Final answer
    x = 12,752.46

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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.