Home / 19,567.23-26,999.13-11,502.21

Finding the Fourth Proportional to 19,567.23, 26,999.13 and 11,502.21

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Solution

The fourth proportional to 19,567.23, 26,999.13 and 11,502.21 is: 15,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,567.23 : 26,999.13 = 11,502.21 : x
  2. Step 2: Convert to fraction form
    19,567.23/26,999.13 = 11,502.21/x
  3. Step 3: Cross multiply
    19,567.23x = 26,999.13 × 11,502.21
  4. Step 4: Simplify right side
    19,567.23x = 310,549,663.08
  5. Step 5: Solve for x
    x = 310,549,663.08/19,567.23
  6. Step 6: Final answer
    x = 15,870.91

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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.