Home / 19,316.48-26,657.12-12,606.40

Finding the Fourth Proportional to 19,316.48, 26,657.12 and 12,606.40

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Solution

The fourth proportional to 19,316.48, 26,657.12 and 12,606.40 is: 17,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.48 : 26,657.12 = 12,606.40 : x
  2. Step 2: Convert to fraction form
    19,316.48/26,657.12 = 12,606.40/x
  3. Step 3: Cross multiply
    19,316.48x = 26,657.12 × 12,606.40
  4. Step 4: Simplify right side
    19,316.48x = 336,050,317.57
  5. Step 5: Solve for x
    x = 336,050,317.57/19,316.48
  6. Step 6: Final answer
    x = 17,397.08

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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.